diff --git a/src/app/tools/drawTools/vtoolalongline.cpp b/src/app/tools/drawTools/vtoolalongline.cpp
index a8785b98a..cfb079e64 100644
--- a/src/app/tools/drawTools/vtoolalongline.cpp
+++ b/src/app/tools/drawTools/vtoolalongline.cpp
@@ -31,6 +31,7 @@
 #include "../../dialogs/tools/dialogalongline.h"
 #include "../../geometry/vpointf.h"
 #include "exception/vexceptionobjecterror.h"
+#include "../../visualization/vistoolalongline.h"
 
 const QString VToolAlongLine::ToolType = QStringLiteral("alongLine");
 
@@ -79,6 +80,16 @@ void VToolAlongLine::FullUpdateFromFile()
         secondPointId = domElement.attribute(AttrSecondPoint, "").toUInt();
     }
     RefreshGeometry();
+
+    if (vis != nullptr)
+    {
+        VisToolAlongLine * visual = qobject_cast<VisToolAlongLine *>(vis);
+        visual->setPoint1Id(basePointId);
+        visual->setPoint2Id(secondPointId);
+        visual->setLength(formulaLength);
+        visual->setLineStyle(VAbstractTool::LineStyle(typeLine));
+        visual->RefreshGeometry();
+    }
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -175,6 +186,41 @@ void VToolAlongLine::setSecondPointId(const quint32 &value)
     }
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VToolAlongLine::ShowVisualization(bool show)
+{
+    if (show)
+    {
+        if (vis == nullptr)
+        {
+            VisToolAlongLine *visual = new VisToolAlongLine(getData());
+            VMainGraphicsScene *scene = qApp->getCurrentScene();
+            connect(scene, &VMainGraphicsScene::NewFactor, visual, &Visualization::SetFactor);
+            scene->addItem(visual);
+
+            visual->setPoint1Id(basePointId);
+            visual->setPoint2Id(secondPointId);
+            visual->setLength(formulaLength);
+            visual->setLineStyle(VAbstractTool::LineStyle(typeLine));
+            visual->RefreshGeometry();
+            vis = visual;
+        }
+        else
+        {
+            VisToolAlongLine * visual = qobject_cast<VisToolAlongLine *>(vis);
+            if (visual != nullptr)
+            {
+                visual->show();
+            }
+        }
+    }
+    else
+    {
+        delete vis;
+        vis = nullptr;
+    }
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 /**
  * @brief setDialog set dialog when user want change tool option.
diff --git a/src/app/tools/drawTools/vtoolalongline.h b/src/app/tools/drawTools/vtoolalongline.h
index a469b0d34..09b44ef31 100644
--- a/src/app/tools/drawTools/vtoolalongline.h
+++ b/src/app/tools/drawTools/vtoolalongline.h
@@ -54,7 +54,7 @@ public:
 
     quint32      getSecondPointId() const;
     void         setSecondPointId(const quint32 &value);
-
+    virtual void ShowVisualization(bool show);
 public slots:
     virtual void FullUpdateFromFile();
     virtual void SetFactor(qreal factor);
diff --git a/src/app/tools/drawTools/vtoolarc.cpp b/src/app/tools/drawTools/vtoolarc.cpp
index 5b22e6a92..43e99971d 100644
--- a/src/app/tools/drawTools/vtoolarc.cpp
+++ b/src/app/tools/drawTools/vtoolarc.cpp
@@ -31,6 +31,7 @@
 #include "../../dialogs/tools/dialogarc.h"
 #include "../../geometry/varc.h"
 #include "../container/vformula.h"
+#include "../../visualization/vistoolarc.h"
 
 #include <QKeyEvent>
 
@@ -271,12 +272,40 @@ void VToolArc::setFormulaF2(const VFormula &value)
 }
 
 //---------------------------------------------------------------------------------------------------------------------
-/**
- * @brief FullUpdateFromFile update tool data form file.
- */
-void VToolArc::FullUpdateFromFile()
+void VToolArc::ShowVisualization(bool show)
 {
-    RefreshGeometry();
+    if (show)
+    {
+        if (vis == nullptr)
+        {
+            VisToolArc * visual = new VisToolArc(getData());
+            VMainGraphicsScene *scene = qApp->getCurrentScene();
+            connect(scene, &VMainGraphicsScene::NewFactor, visual, &Visualization::SetFactor);
+            scene->addItem(visual);
+
+            const QSharedPointer<VArc> arc = VAbstractTool::data.GeometricObject<VArc>(id);
+
+            visual->setPoint1Id(arc->GetCenter().id());
+            visual->setRadius(arc->GetFormulaRadius());
+            visual->setF1(arc->GetFormulaF1());
+            visual->setF2(arc->GetFormulaF2());
+            visual->RefreshGeometry();
+            vis = visual;
+        }
+        else
+        {
+            VisToolArc *visual = qobject_cast<VisToolArc *>(vis);
+            if (visual != nullptr)
+            {
+                visual->show();
+            }
+        }
+    }
+    else
+    {
+        delete vis;
+        vis = nullptr;
+    }
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -336,4 +365,16 @@ void VToolArc::RefreshGeometry()
 {
     this->setPen(QPen(currentColor, qApp->toPixel(qApp->widthHairLine())/factor));
     this->setPath(ToolPath());
+
+    if (vis != nullptr)
+    {
+        const QSharedPointer<VArc> arc = VAbstractTool::data.GeometricObject<VArc>(id);
+        VisToolArc *visual = qobject_cast<VisToolArc *>(vis);
+
+        visual->setPoint1Id(arc->GetCenter().id());
+        visual->setRadius(arc->GetFormulaRadius());
+        visual->setF1(arc->GetFormulaF1());
+        visual->setF2(arc->GetFormulaF2());
+        visual->RefreshGeometry();
+    }
 }
diff --git a/src/app/tools/drawTools/vtoolarc.h b/src/app/tools/drawTools/vtoolarc.h
index a7ba24b52..b8264694b 100644
--- a/src/app/tools/drawTools/vtoolarc.h
+++ b/src/app/tools/drawTools/vtoolarc.h
@@ -63,8 +63,8 @@ public:
 
     VFormula         getFormulaF2() const;
     void             setFormulaF2(const VFormula &value);
-public slots:
-    virtual void     FullUpdateFromFile();
+
+    virtual void     ShowVisualization(bool show);
 protected:
     virtual void     contextMenuEvent ( QGraphicsSceneContextMenuEvent * event );
     virtual void     RemoveReferens();
diff --git a/src/app/tools/drawTools/vtoolbisector.cpp b/src/app/tools/drawTools/vtoolbisector.cpp
index cd4f9eee6..467d4ca8c 100644
--- a/src/app/tools/drawTools/vtoolbisector.cpp
+++ b/src/app/tools/drawTools/vtoolbisector.cpp
@@ -30,6 +30,7 @@
 #include "../../container/calculator.h"
 #include "../../dialogs/tools/dialogbisector.h"
 #include "../../geometry/vpointf.h"
+#include "../../visualization/vistoolbisector.h"
 
 const QString VToolBisector::ToolType = QStringLiteral("bisector");
 
@@ -230,6 +231,17 @@ void VToolBisector::FullUpdateFromFile()
         thirdPointId = domElement.attribute(AttrThirdPoint, "").toUInt();
     }
     RefreshGeometry();
+
+    if (vis != nullptr)
+    {
+        VisToolBisector *visual = qobject_cast<VisToolBisector *>(vis);
+        visual->setPoint1Id(firstPointId);
+        visual->setPoint2Id(basePointId);
+        visual->setPoint3Id(thirdPointId);
+        visual->setLength(formulaLength);
+        visual->setLineStyle(VAbstractTool::LineStyle(typeLine));
+        visual->RefreshGeometry();
+    }
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -328,6 +340,42 @@ void VToolBisector::setThirdPointId(const quint32 &value)
     }
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VToolBisector::ShowVisualization(bool show)
+{
+    if (show)
+    {
+        if (vis == nullptr)
+        {
+            VisToolBisector * visual = new VisToolBisector(getData());
+            VMainGraphicsScene *scene = qApp->getCurrentScene();
+            connect(scene, &VMainGraphicsScene::NewFactor, visual, &Visualization::SetFactor);
+            scene->addItem(visual);
+
+            visual->setPoint1Id(firstPointId);
+            visual->setPoint2Id(basePointId);
+            visual->setPoint3Id(thirdPointId);
+            visual->setLength(formulaLength);
+            visual->setLineStyle(VAbstractTool::LineStyle(typeLine));
+            visual->RefreshGeometry();
+            vis = visual;
+        }
+        else
+        {
+            VisToolBisector *visual = qobject_cast<VisToolBisector *>(vis);
+            if (visual != nullptr)
+            {
+                visual->show();
+            }
+        }
+    }
+    else
+    {
+        delete vis;
+        vis = nullptr;
+    }
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 quint32 VToolBisector::getFirstPointId() const
 {
diff --git a/src/app/tools/drawTools/vtoolbisector.h b/src/app/tools/drawTools/vtoolbisector.h
index c0cee1b78..42ac58091 100644
--- a/src/app/tools/drawTools/vtoolbisector.h
+++ b/src/app/tools/drawTools/vtoolbisector.h
@@ -62,6 +62,7 @@ public:
     quint32 getThirdPointId() const;
     void    setThirdPointId(const quint32 &value);
 
+    virtual void   ShowVisualization(bool show);
 public slots:
     virtual void   FullUpdateFromFile();
     virtual void   SetFactor(qreal factor);
diff --git a/src/app/tools/drawTools/vtoolcutarc.cpp b/src/app/tools/drawTools/vtoolcutarc.cpp
index e110c1d6b..f7cad6a1f 100644
--- a/src/app/tools/drawTools/vtoolcutarc.cpp
+++ b/src/app/tools/drawTools/vtoolcutarc.cpp
@@ -31,6 +31,7 @@
 #include "../../dialogs/tools/dialogcutarc.h"
 #include "../../geometry/vpointf.h"
 #include "../../geometry/varc.h"
+#include "../../visualization/vistoolcutarc.h"
 
 const QString VToolCutArc::ToolType = QStringLiteral("cutArc");
 const QString VToolCutArc::AttrArc  = QStringLiteral("arc");
@@ -180,6 +181,39 @@ VToolCutArc* VToolCutArc::Create(const quint32 _id, const QString &pointName, QS
     return nullptr;
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VToolCutArc::ShowVisualization(bool show)
+{
+    if (show)
+    {
+        if (vis == nullptr)
+        {
+            VisToolCutArc * visual = new VisToolCutArc(getData());
+            VMainGraphicsScene *scene = qApp->getCurrentScene();
+            connect(scene, &VMainGraphicsScene::NewFactor, visual, &Visualization::SetFactor);
+            scene->addItem(visual);
+
+            visual->setPoint1Id(curveCutId);
+            visual->setLength(formula);
+            visual->RefreshGeometry();
+            vis = visual;
+        }
+        else
+        {
+            VisToolCutArc *visual = qobject_cast<VisToolCutArc *>(vis);
+            if (visual != nullptr)
+            {
+                visual->show();
+            }
+        }
+    }
+    else
+    {
+        delete vis;
+        vis = nullptr;
+    }
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 /**
  * @brief FullUpdateFromFile update tool data form file.
@@ -187,6 +221,14 @@ VToolCutArc* VToolCutArc::Create(const quint32 _id, const QString &pointName, QS
 void VToolCutArc::FullUpdateFromFile()
 {
     FullUpdateCurveFromFile(AttrArc);
+
+    if (vis != nullptr)
+    {
+        VisToolCutArc *visual = qobject_cast<VisToolCutArc *>(vis);
+        visual->setPoint1Id(curveCutId);
+        visual->setLength(formula);
+        visual->RefreshGeometry();
+    }
 }
 
 //---------------------------------------------------------------------------------------------------------------------
diff --git a/src/app/tools/drawTools/vtoolcutarc.h b/src/app/tools/drawTools/vtoolcutarc.h
index 204871f43..2e852cdca 100644
--- a/src/app/tools/drawTools/vtoolcutarc.h
+++ b/src/app/tools/drawTools/vtoolcutarc.h
@@ -50,6 +50,7 @@ public:
     static const QString AttrArc;
     virtual int  type() const {return Type;}
     enum { Type = UserType + static_cast<int>(Tool::CutArc)};
+    virtual void ShowVisualization(bool show);
 public slots:
     virtual void FullUpdateFromFile();
     virtual void CurveChoosed(quint32 id);
diff --git a/src/app/tools/drawTools/vtoolcutspline.cpp b/src/app/tools/drawTools/vtoolcutspline.cpp
index 4f6f6332e..2231cbc64 100644
--- a/src/app/tools/drawTools/vtoolcutspline.cpp
+++ b/src/app/tools/drawTools/vtoolcutspline.cpp
@@ -187,6 +187,38 @@ VToolCutSpline* VToolCutSpline::Create(const quint32 _id, const QString &pointNa
     return nullptr;
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VToolCutSpline::ShowVisualization(bool show)
+{
+//    if (show)
+//    {
+//        if (vis == nullptr)
+//        {
+//            VisTool * visual = new VisTool(getData());
+//            VMainGraphicsScene *scene = qApp->getCurrentScene();
+//            connect(scene, &VMainGraphicsScene::NewFactor, visual, &Visualization::SetFactor);
+//            scene->addItem(visual);
+
+//            // add options
+//            visual->RefreshGeometry();
+//            vis = visual;
+//        }
+//        else
+//        {
+//            VisTool * visual = qobject_cast<VisTool *>(vis);
+//            if (visual != nullptr)
+//            {
+//                visual->show();
+//            }
+//        }
+//    }
+//    else
+//    {
+//        delete vis;
+//        vis = nullptr;
+//    }
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 /**
  * @brief FullUpdateFromFile update tool data form file.
diff --git a/src/app/tools/drawTools/vtoolcutspline.h b/src/app/tools/drawTools/vtoolcutspline.h
index ba4111e4d..d1b184edc 100644
--- a/src/app/tools/drawTools/vtoolcutspline.h
+++ b/src/app/tools/drawTools/vtoolcutspline.h
@@ -51,6 +51,7 @@ public:
     static const QString AttrSpline;
     virtual int  type() const {return Type;}
     enum { Type = UserType + static_cast<int>(Tool::CutSpline)};
+    virtual void  ShowVisualization(bool show);
 public slots:
     virtual void  FullUpdateFromFile();
     virtual void  CurveChoosed(quint32 id);
diff --git a/src/app/tools/drawTools/vtoolcutsplinepath.cpp b/src/app/tools/drawTools/vtoolcutsplinepath.cpp
index b9a62baca..4d54f0494 100644
--- a/src/app/tools/drawTools/vtoolcutsplinepath.cpp
+++ b/src/app/tools/drawTools/vtoolcutsplinepath.cpp
@@ -242,6 +242,38 @@ VToolCutSplinePath* VToolCutSplinePath::Create(const quint32 _id, const QString
     return nullptr;
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VToolCutSplinePath::ShowVisualization(bool show)
+{
+//    if (show)
+//    {
+//        if (vis == nullptr)
+//        {
+//            VisTool * visual = new VisTool(getData());
+//            VMainGraphicsScene *scene = qApp->getCurrentScene();
+//            connect(scene, &VMainGraphicsScene::NewFactor, visual, &Visualization::SetFactor);
+//            scene->addItem(visual);
+
+//            // add options
+//            visual->RefreshGeometry();
+//            vis = visual;
+//        }
+//        else
+//        {
+//            VisTool * visual = qobject_cast<VisTool *>(vis);
+//            if (visual != nullptr)
+//            {
+//                visual->show();
+//            }
+//        }
+//    }
+//    else
+//    {
+//        delete vis;
+//        vis = nullptr;
+//    }
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 /**
  * @brief FullUpdateFromFile update tool data form file.
diff --git a/src/app/tools/drawTools/vtoolcutsplinepath.h b/src/app/tools/drawTools/vtoolcutsplinepath.h
index a7de665f2..6f5db493c 100644
--- a/src/app/tools/drawTools/vtoolcutsplinepath.h
+++ b/src/app/tools/drawTools/vtoolcutsplinepath.h
@@ -53,6 +53,7 @@ public:
     static const QString AttrSplinePath;
     virtual int  type() const {return Type;}
     enum { Type = UserType + static_cast<int>(Tool::CutSplinePath)};
+    virtual void  ShowVisualization(bool show);
 public slots:
     virtual void  FullUpdateFromFile();
     virtual void  CurveChoosed(quint32 id);
diff --git a/src/app/tools/drawTools/vtoolendline.cpp b/src/app/tools/drawTools/vtoolendline.cpp
index 645df23c1..5ddad6a71 100644
--- a/src/app/tools/drawTools/vtoolendline.cpp
+++ b/src/app/tools/drawTools/vtoolendline.cpp
@@ -32,6 +32,7 @@
 #include "../../dialogs/tools/dialogendline.h"
 #include "../../dialogs/tools/dialogeditwrongformula.h"
 #include "../../geometry/vpointf.h"
+#include "./../visualization/vistoolendline.h"
 
 const QString VToolEndLine::ToolType = QStringLiteral("endLine");
 
@@ -185,6 +186,16 @@ void VToolEndLine::FullUpdateFromFile()
         formulaAngle = domElement.attribute(AttrAngle, "");
     }
     RefreshGeometry();
+
+    if (vis != nullptr)
+    {
+        VisToolEndLine *visual = qobject_cast<VisToolEndLine *>(vis);
+        visual->setPoint1Id(basePointId);
+        visual->setLength(formulaLength);
+        visual->setAngle(formulaAngle);
+        visual->setLineStyle(VAbstractTool::LineStyle(typeLine));
+        visual->RefreshGeometry();
+    }
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -262,3 +273,38 @@ void VToolEndLine::setFormulaAngle(const VFormula &value)
         SaveOption(obj);
     }
 }
+
+//---------------------------------------------------------------------------------------------------------------------
+void VToolEndLine::ShowVisualization(bool show)
+{
+    if (show)
+    {
+        if (vis == nullptr)
+        {
+            VisToolEndLine * visual = new VisToolEndLine(getData());
+            VMainGraphicsScene *scene = qApp->getCurrentScene();
+            connect(scene, &VMainGraphicsScene::NewFactor, visual, &Visualization::SetFactor);
+            scene->addItem(visual);
+
+            visual->setPoint1Id(basePointId);
+            visual->setLength(formulaLength);
+            visual->setAngle(formulaAngle);
+            visual->setLineStyle(VAbstractTool::LineStyle(typeLine));
+            visual->RefreshGeometry();
+            vis = visual;
+        }
+        else
+        {
+            VisToolEndLine *visual = qobject_cast<VisToolEndLine *>(vis);
+            if (visual != nullptr)
+            {
+                visual->show();
+            }
+        }
+    }
+    else
+    {
+        delete vis;
+        vis = nullptr;
+    }
+}
diff --git a/src/app/tools/drawTools/vtoolendline.h b/src/app/tools/drawTools/vtoolendline.h
index 16c58c7ea..794f51cfe 100644
--- a/src/app/tools/drawTools/vtoolendline.h
+++ b/src/app/tools/drawTools/vtoolendline.h
@@ -54,7 +54,7 @@ public:
 
     VFormula     getFormulaAngle() const;
     void         setFormulaAngle(const VFormula &value);
-
+    virtual void ShowVisualization(bool show);
 public slots:
     virtual void FullUpdateFromFile();
     virtual void ShowContextMenu(QGraphicsSceneContextMenuEvent *event);
diff --git a/src/app/tools/drawTools/vtoolheight.cpp b/src/app/tools/drawTools/vtoolheight.cpp
index a77417454..19e24e9c3 100644
--- a/src/app/tools/drawTools/vtoolheight.cpp
+++ b/src/app/tools/drawTools/vtoolheight.cpp
@@ -29,6 +29,7 @@
 #include "vtoolheight.h"
 #include "../../dialogs/tools/dialogheight.h"
 #include "../../geometry/vpointf.h"
+#include "../../visualization/vistoolheight.h"
 
 const QString VToolHeight::ToolType = QStringLiteral("height");
 
@@ -202,6 +203,15 @@ void VToolHeight::FullUpdateFromFile()
     }
     RefreshGeometry();
 
+    if (vis != nullptr)
+    {
+        VisToolHeight *visual = qobject_cast<VisToolHeight *>(vis);
+        visual->setPoint1Id(basePointId);
+        visual->setLineP1Id(p1LineId);
+        visual->setLineP2Id(p2LineId);
+        visual->setLineStyle(VAbstractTool::LineStyle(typeLine));
+        visual->RefreshGeometry();
+    }
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -276,6 +286,41 @@ void VToolHeight::setP2LineId(const quint32 &value)
     }
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VToolHeight::ShowVisualization(bool show)
+{
+    if (show)
+    {
+        if (vis == nullptr)
+        {
+            VisToolHeight * visual = new VisToolHeight(getData());
+            VMainGraphicsScene *scene = qApp->getCurrentScene();
+            connect(scene, &VMainGraphicsScene::NewFactor, visual, &Visualization::SetFactor);
+            scene->addItem(visual);
+
+            visual->setPoint1Id(basePointId);
+            visual->setLineP1Id(p1LineId);
+            visual->setLineP2Id(p2LineId);
+            visual->setLineStyle(VAbstractTool::LineStyle(typeLine));
+            visual->RefreshGeometry();
+            vis = visual;
+        }
+        else
+        {
+            VisToolHeight *visual = qobject_cast<VisToolHeight *>(vis);
+            if (visual != nullptr)
+            {
+                visual->show();
+            }
+        }
+    }
+    else
+    {
+        delete vis;
+        vis = nullptr;
+    }
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 quint32 VToolHeight::getP1LineId() const
 {
diff --git a/src/app/tools/drawTools/vtoolheight.h b/src/app/tools/drawTools/vtoolheight.h
index 34e7b6c09..79dcfe08f 100644
--- a/src/app/tools/drawTools/vtoolheight.h
+++ b/src/app/tools/drawTools/vtoolheight.h
@@ -59,6 +59,7 @@ public:
     quint32 getP2LineId() const;
     void    setP2LineId(const quint32 &value);
 
+    virtual void   ShowVisualization(bool show);
 public slots:
     virtual void   FullUpdateFromFile();
     virtual void   ShowContextMenu(QGraphicsSceneContextMenuEvent *event);
diff --git a/src/app/tools/drawTools/vtoolline.cpp b/src/app/tools/drawTools/vtoolline.cpp
index c105989a2..5f9db41c6 100644
--- a/src/app/tools/drawTools/vtoolline.cpp
+++ b/src/app/tools/drawTools/vtoolline.cpp
@@ -31,6 +31,7 @@
 #include <QKeyEvent>
 #include "../../geometry/vpointf.h"
 #include "../../dialogs/tools/dialogline.h"
+#include "../../visualization/vistoolline.h"
 
 const QString VToolLine::TagName = QStringLiteral("line");
 
@@ -189,6 +190,15 @@ QString VToolLine::getTagName() const
 void VToolLine::FullUpdateFromFile()
 {
     RefreshGeometry();
+
+    if (vis != nullptr)
+    {
+        VisToolLine *visual = qobject_cast<VisToolLine *>(vis);
+        visual->setPoint1Id(firstPoint);
+        visual->setPoint2Id(secondPoint);
+        visual->setLineStyle(VAbstractTool::LineStyle(typeLine));
+        visual->RefreshGeometry();
+    }
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -401,6 +411,40 @@ void VToolLine::setSecondPoint(const quint32 &value)
     }
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VToolLine::ShowVisualization(bool show)
+{
+    if (show)
+    {
+        if (vis == nullptr)
+        {
+            VisToolLine * visual = new VisToolLine(getData());
+            VMainGraphicsScene *scene = qApp->getCurrentScene();
+            connect(scene, &VMainGraphicsScene::NewFactor, visual, &Visualization::SetFactor);
+            scene->addItem(visual);
+
+            visual->setPoint1Id(firstPoint);
+            visual->setPoint2Id(secondPoint);
+            visual->setLineStyle(VAbstractTool::LineStyle(typeLine));
+            visual->RefreshGeometry();
+            vis = visual;
+        }
+        else
+        {
+            VisToolLine *visual = qobject_cast<VisToolLine *>(vis);
+            if (visual != nullptr)
+            {
+                visual->show();
+            }
+        }
+    }
+    else
+    {
+        delete vis;
+        vis = nullptr;
+    }
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 quint32 VToolLine::getFirstPoint() const
 {
diff --git a/src/app/tools/drawTools/vtoolline.h b/src/app/tools/drawTools/vtoolline.h
index 888940e32..5e333e391 100644
--- a/src/app/tools/drawTools/vtoolline.h
+++ b/src/app/tools/drawTools/vtoolline.h
@@ -57,6 +57,7 @@ public:
     quint32 getSecondPoint() const;
     void    setSecondPoint(const quint32 &value);
 
+    virtual void     ShowVisualization(bool show);
 public slots:
     virtual void     FullUpdateFromFile();
     virtual void     ChangedActivDraw(const QString &newName);
diff --git a/src/app/tools/drawTools/vtoollineintersect.cpp b/src/app/tools/drawTools/vtoollineintersect.cpp
index ff0a010ef..286605a05 100644
--- a/src/app/tools/drawTools/vtoollineintersect.cpp
+++ b/src/app/tools/drawTools/vtoollineintersect.cpp
@@ -29,6 +29,7 @@
 #include "vtoollineintersect.h"
 #include "../../dialogs/tools/dialoglineintersect.h"
 #include "../../geometry/vpointf.h"
+#include "../../visualization/vistoollineintersect.h"
 
 const QString VToolLineIntersect::ToolType = QStringLiteral("lineIntersect");
 
@@ -201,6 +202,16 @@ void VToolLineIntersect::FullUpdateFromFile()
         p2Line2 = domElement.attribute(AttrP2Line2, "").toUInt();
     }
     RefreshPointGeometry(*VAbstractTool::data.GeometricObject<VPointF>(id));
+
+    if (vis != nullptr)
+    {
+        VisToolLineIntersect *visual = qobject_cast<VisToolLineIntersect *>(vis);
+        visual->setPoint1Id(p1Line1);
+        visual->setLine1P2Id(p2Line1);
+        visual->setLine2P1Id(p1Line2);
+        visual->setLine2P2Id(p2Line2);
+        vis->RefreshGeometry();
+    }
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -298,6 +309,41 @@ void VToolLineIntersect::setP2Line2(const quint32 &value)
     }
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VToolLineIntersect::ShowVisualization(bool show)
+{
+    if (show)
+    {
+        if (vis == nullptr)
+        {
+            VisToolLineIntersect * visual = new VisToolLineIntersect(getData());
+            VMainGraphicsScene *scene = qApp->getCurrentScene();
+            connect(scene, &VMainGraphicsScene::NewFactor, visual, &Visualization::SetFactor);
+            scene->addItem(visual);
+
+            visual->setPoint1Id(p1Line1);
+            visual->setLine1P2Id(p2Line1);
+            visual->setLine2P1Id(p1Line2);
+            visual->setLine2P2Id(p2Line2);
+            visual->RefreshGeometry();
+            vis = visual;
+        }
+        else
+        {
+            VisToolLineIntersect *visual = qobject_cast<VisToolLineIntersect *>(vis);
+            if (visual != nullptr)
+            {
+                visual->show();
+            }
+        }
+    }
+    else
+    {
+        delete vis;
+        vis = nullptr;
+    }
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 quint32 VToolLineIntersect::getP1Line2() const
 {
diff --git a/src/app/tools/drawTools/vtoollineintersect.h b/src/app/tools/drawTools/vtoollineintersect.h
index 89f9f5e36..dd28d16b9 100644
--- a/src/app/tools/drawTools/vtoollineintersect.h
+++ b/src/app/tools/drawTools/vtoollineintersect.h
@@ -63,6 +63,7 @@ public:
     quint32 getP2Line2() const;
     void    setP2Line2(const quint32 &value);
 
+    virtual void ShowVisualization(bool show);
 public slots:
     virtual void FullUpdateFromFile();
     virtual void SetFactor(qreal factor);
diff --git a/src/app/tools/drawTools/vtoolnormal.cpp b/src/app/tools/drawTools/vtoolnormal.cpp
index c902f527b..ff9334dfc 100644
--- a/src/app/tools/drawTools/vtoolnormal.cpp
+++ b/src/app/tools/drawTools/vtoolnormal.cpp
@@ -30,6 +30,7 @@
 #include "../../container/calculator.h"
 #include "../../dialogs/tools/dialognormal.h"
 #include "../../geometry/vpointf.h"
+#include "../../visualization/vistoolnormal.h"
 
 const QString VToolNormal::ToolType = QStringLiteral("normal");
 
@@ -209,6 +210,17 @@ void VToolNormal::FullUpdateFromFile()
         angle = domElement.attribute(AttrAngle, "").toDouble();
     }
     RefreshGeometry();
+
+    if (vis != nullptr)
+    {
+        VisToolNormal *visual = qobject_cast<VisToolNormal *>(vis);
+        visual->setPoint1Id(basePointId);
+        visual->setPoint2Id(secondPointId);
+        visual->setLength(formulaLength);
+        visual->setAngle(angle);
+        visual->setLineStyle(VAbstractTool::LineStyle(typeLine));
+        visual->RefreshGeometry();
+    }
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -306,3 +318,39 @@ void VToolNormal::setSecondPointId(const quint32 &value)
     }
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VToolNormal::ShowVisualization(bool show)
+{
+    if (show)
+    {
+        if (vis == nullptr)
+        {
+            VisToolNormal * visual = new VisToolNormal(getData());
+            VMainGraphicsScene *scene = qApp->getCurrentScene();
+            connect(scene, &VMainGraphicsScene::NewFactor, visual, &Visualization::SetFactor);
+            scene->addItem(visual);
+
+            visual->setPoint1Id(basePointId);
+            visual->setPoint2Id(secondPointId);
+            visual->setLength(formulaLength);
+            visual->setAngle(angle);
+            visual->setLineStyle(VAbstractTool::LineStyle(typeLine));
+            visual->RefreshGeometry();
+            vis = visual;
+        }
+        else
+        {
+            VisToolNormal *visual = qobject_cast<VisToolNormal *>(vis);
+            if (visual != nullptr)
+            {
+                visual->show();
+            }
+        }
+    }
+    else
+    {
+        delete vis;
+        vis = nullptr;
+    }
+}
+
diff --git a/src/app/tools/drawTools/vtoolnormal.h b/src/app/tools/drawTools/vtoolnormal.h
index 8c41676ca..3c85cb439 100644
--- a/src/app/tools/drawTools/vtoolnormal.h
+++ b/src/app/tools/drawTools/vtoolnormal.h
@@ -56,6 +56,7 @@ public:
     quint32 getSecondPointId() const;
     void    setSecondPointId(const quint32 &value);
 
+    virtual void   ShowVisualization(bool show);
 public slots:
     virtual void   FullUpdateFromFile();
     virtual void   SetFactor(qreal factor);
diff --git a/src/app/tools/drawTools/vtoolpointofcontact.cpp b/src/app/tools/drawTools/vtoolpointofcontact.cpp
index 5c11e34e7..dd8d4f27e 100644
--- a/src/app/tools/drawTools/vtoolpointofcontact.cpp
+++ b/src/app/tools/drawTools/vtoolpointofcontact.cpp
@@ -31,6 +31,7 @@
 #include "../../dialogs/tools/dialogpointofcontact.h"
 #include "../../geometry/vpointf.h"
 #include "../../container/vformula.h"
+#include "../../visualization/vistoolpointofcontact.h"
 
 const QString VToolPointOfContact::ToolType = QStringLiteral("pointOfContact");
 
@@ -228,6 +229,16 @@ void VToolPointOfContact::FullUpdateFromFile()
         secondPointId = domElement.attribute(AttrSecondPoint, "").toUInt();
     }
     RefreshPointGeometry(*VAbstractTool::data.GeometricObject<VPointF>(id));
+
+    if (vis != nullptr)
+    {
+        VisToolPointOfContact *visual = qobject_cast<VisToolPointOfContact *>(vis);
+        visual->setPoint1Id(firstPointId);
+        visual->setLineP2Id(secondPointId);
+        visual->setRadiusId(center);
+        visual->setRadius(arcRadius);
+        visual->RefreshGeometry();
+    }
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -318,6 +329,41 @@ void VToolPointOfContact::setSecondPointId(const quint32 &value)
     secondPointId = value;
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VToolPointOfContact::ShowVisualization(bool show)
+{
+    if (show)
+    {
+        if (vis == nullptr)
+        {
+            VisToolPointOfContact * visual = new VisToolPointOfContact(getData());
+            VMainGraphicsScene *scene = qApp->getCurrentScene();
+            connect(scene, &VMainGraphicsScene::NewFactor, visual, &Visualization::SetFactor);
+            scene->addItem(visual);
+
+            visual->setPoint1Id(firstPointId);
+            visual->setLineP2Id(secondPointId);
+            visual->setRadiusId(center);
+            visual->setRadius(arcRadius);
+            visual->RefreshGeometry();
+            vis = visual;
+        }
+        else
+        {
+            VisToolPointOfContact *visual = qobject_cast<VisToolPointOfContact *>(vis);
+            if (visual != nullptr)
+            {
+                visual->show();
+            }
+        }
+    }
+    else
+    {
+        delete vis;
+        vis = nullptr;
+    }
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 quint32 VToolPointOfContact::getFirstPointId() const
 {
diff --git a/src/app/tools/drawTools/vtoolpointofcontact.h b/src/app/tools/drawTools/vtoolpointofcontact.h
index 60c4924ef..1cbc84815 100644
--- a/src/app/tools/drawTools/vtoolpointofcontact.h
+++ b/src/app/tools/drawTools/vtoolpointofcontact.h
@@ -68,6 +68,7 @@ public:
     quint32 getSecondPointId() const;
     void    setSecondPointId(const quint32 &value);
 
+    virtual void   ShowVisualization(bool show);
 public slots:
     virtual void   FullUpdateFromFile();
     virtual void   SetFactor(qreal factor);
diff --git a/src/app/tools/drawTools/vtoolpointofintersection.cpp b/src/app/tools/drawTools/vtoolpointofintersection.cpp
index ad53b8536..52ef71132 100644
--- a/src/app/tools/drawTools/vtoolpointofintersection.cpp
+++ b/src/app/tools/drawTools/vtoolpointofintersection.cpp
@@ -29,6 +29,7 @@
 #include "vtoolpointofintersection.h"
 #include "../../dialogs/tools/dialogpointofintersection.h"
 #include "../../geometry/vpointf.h"
+#include "../../visualization/vistoolpointofintersection.h"
 
 const QString VToolPointOfIntersection::ToolType = QStringLiteral("pointOfIntersection");
 
@@ -171,6 +172,14 @@ void VToolPointOfIntersection::FullUpdateFromFile()
         secondPointId = domElement.attribute(AttrSecondPoint, "").toUInt();
     }
     VToolPoint::RefreshPointGeometry(*VDrawTool::data.GeometricObject<VPointF>(id));
+
+    if (vis != nullptr)
+    {
+        VisToolPointOfIntersection *visual = qobject_cast<VisToolPointOfIntersection *>(vis);
+        visual->setPoint1Id(firstPointId);
+        visual->setPoint2Id(secondPointId);
+        visual->RefreshGeometry();
+    }
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -251,6 +260,39 @@ void VToolPointOfIntersection::setSecondPointId(const quint32 &value)
     }
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VToolPointOfIntersection::ShowVisualization(bool show)
+{
+    if (show)
+    {
+        if (vis == nullptr)
+        {
+            VisToolPointOfIntersection * visual = new VisToolPointOfIntersection(getData());
+            VMainGraphicsScene *scene = qApp->getCurrentScene();
+            connect(scene, &VMainGraphicsScene::NewFactor, visual, &Visualization::SetFactor);
+            scene->addItem(visual);
+
+            visual->setPoint1Id(firstPointId);
+            visual->setPoint2Id(secondPointId);
+            visual->RefreshGeometry();
+            vis = visual;
+        }
+        else
+        {
+            VisToolPointOfIntersection *visual = qobject_cast<VisToolPointOfIntersection *>(vis);
+            if (visual != nullptr)
+            {
+                visual->show();
+            }
+        }
+    }
+    else
+    {
+        delete vis;
+        vis = nullptr;
+    }
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 quint32 VToolPointOfIntersection::getFirstPointId() const
 {
diff --git a/src/app/tools/drawTools/vtoolpointofintersection.h b/src/app/tools/drawTools/vtoolpointofintersection.h
index eef98a9b1..80e2980de 100644
--- a/src/app/tools/drawTools/vtoolpointofintersection.h
+++ b/src/app/tools/drawTools/vtoolpointofintersection.h
@@ -58,6 +58,7 @@ public:
     quint32 getSecondPointId() const;
     void    setSecondPointId(const quint32 &value);
 
+    virtual void ShowVisualization(bool show);
 public slots:
     virtual void FullUpdateFromFile();
     virtual void ShowContextMenu(QGraphicsSceneContextMenuEvent *event);
diff --git a/src/app/tools/drawTools/vtoolshoulderpoint.cpp b/src/app/tools/drawTools/vtoolshoulderpoint.cpp
index a4b9d3f95..679fa0929 100644
--- a/src/app/tools/drawTools/vtoolshoulderpoint.cpp
+++ b/src/app/tools/drawTools/vtoolshoulderpoint.cpp
@@ -30,6 +30,7 @@
 #include "../../container/calculator.h"
 #include "../../dialogs/tools/dialogshoulderpoint.h"
 #include "../../geometry/vpointf.h"
+#include "../../visualization/vistoolshoulderpoint.h"
 
 const QString VToolShoulderPoint::ToolType = QStringLiteral("shoulder");
 
@@ -234,6 +235,17 @@ void VToolShoulderPoint::FullUpdateFromFile()
         pShoulder = domElement.attribute(AttrPShoulder, "").toUInt();
     }
     RefreshGeometry();
+
+    if (vis != nullptr)
+    {
+        VisToolShoulderPoint *visual = qobject_cast<VisToolShoulderPoint *>(vis);
+        visual->setPoint1Id(pShoulder);
+        visual->setLineP1Id(basePointId);
+        visual->setLineP2Id(p2Line);
+        visual->setLength(formulaLength);
+        visual->setLineStyle(VAbstractTool::LineStyle(typeLine));
+        visual->RefreshGeometry();
+    }
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -332,6 +344,42 @@ void VToolShoulderPoint::setPShoulder(const quint32 &value)
     }
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VToolShoulderPoint::ShowVisualization(bool show)
+{
+    if (show)
+    {
+        if (vis == nullptr)
+        {
+            VisToolShoulderPoint * visual = new VisToolShoulderPoint(getData());
+            VMainGraphicsScene *scene = qApp->getCurrentScene();
+            connect(scene, &VMainGraphicsScene::NewFactor, visual, &Visualization::SetFactor);
+            scene->addItem(visual);
+
+            visual->setPoint1Id(pShoulder);
+            visual->setLineP1Id(basePointId);
+            visual->setLineP2Id(p2Line);
+            visual->setLength(formulaLength);
+            visual->setLineStyle(VAbstractTool::LineStyle(typeLine));
+            visual->RefreshGeometry();
+            vis = visual;
+        }
+        else
+        {
+            VisToolShoulderPoint *visual = qobject_cast<VisToolShoulderPoint *>(vis);
+            if (visual != nullptr)
+            {
+                visual->show();
+            }
+        }
+    }
+    else
+    {
+        delete vis;
+        vis = nullptr;
+    }
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 quint32 VToolShoulderPoint::getP2Line() const
 {
diff --git a/src/app/tools/drawTools/vtoolshoulderpoint.h b/src/app/tools/drawTools/vtoolshoulderpoint.h
index e8d8c63be..ef8c08df6 100644
--- a/src/app/tools/drawTools/vtoolshoulderpoint.h
+++ b/src/app/tools/drawTools/vtoolshoulderpoint.h
@@ -60,6 +60,7 @@ public:
     quint32 getPShoulder() const;
     void    setPShoulder(const quint32 &value);
 
+    virtual void   ShowVisualization(bool show);
 public slots:
     virtual void   FullUpdateFromFile();
     virtual void   SetFactor(qreal factor);
diff --git a/src/app/tools/drawTools/vtoolsinglepoint.cpp b/src/app/tools/drawTools/vtoolsinglepoint.cpp
index c8a9461fb..45bd66058 100644
--- a/src/app/tools/drawTools/vtoolsinglepoint.cpp
+++ b/src/app/tools/drawTools/vtoolsinglepoint.cpp
@@ -82,6 +82,12 @@ void VToolSinglePoint::setDialog()
     dialogTool->setData(p->name(), p->toQPointF());
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VToolSinglePoint::ShowVisualization(bool show)
+{
+    Q_UNUSED(show); //don't have any visualization for base point yet
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 /**
  * @brief AddToFile add tag with informations about tool into file.
diff --git a/src/app/tools/drawTools/vtoolsinglepoint.h b/src/app/tools/drawTools/vtoolsinglepoint.h
index 98a60bcd5..2e9aa14f1 100644
--- a/src/app/tools/drawTools/vtoolsinglepoint.h
+++ b/src/app/tools/drawTools/vtoolsinglepoint.h
@@ -45,6 +45,7 @@ public:
     static const QString ToolType;
     virtual int  type() const {return Type;}
     enum { Type = UserType + static_cast<int>(Tool::SinglePoint)};
+    virtual void ShowVisualization(bool show);
 public slots:
     virtual void FullUpdateFromFile();
     virtual void ChangedActivDraw(const QString &newName);
diff --git a/src/app/tools/drawTools/vtoolspline.cpp b/src/app/tools/drawTools/vtoolspline.cpp
index 822aa2aaa..1b4ebd96b 100644
--- a/src/app/tools/drawTools/vtoolspline.cpp
+++ b/src/app/tools/drawTools/vtoolspline.cpp
@@ -30,6 +30,7 @@
 #include "../../geometry/vspline.h"
 #include "../../dialogs/tools/dialogspline.h"
 #include "../../undocommands/movespline.h"
+#include "../../visualization/vistoolspline.h"
 
 const QString VToolSpline::ToolType = QStringLiteral("simple");
 
@@ -204,6 +205,45 @@ void VToolSpline::setSpline(const VSpline &spl)
     SaveOption(obj);
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VToolSpline::ShowVisualization(bool show)
+{
+    if (show)
+    {
+        if (vis == nullptr)
+        {
+            VisToolSpline *visual = new VisToolSpline(getData());
+            VMainGraphicsScene *scene = qApp->getCurrentScene();
+            connect(scene, &VMainGraphicsScene::NewFactor, visual, &Visualization::SetFactor);
+            scene->addItem(visual);
+
+            const QSharedPointer<VSpline> spl = VAbstractTool::data.GeometricObject<VSpline>(id);
+            visual->setPoint1Id(spl->GetP1().id());
+            visual->setPoint4Id(spl->GetP4().id());
+            visual->setAngle1(spl->GetAngle1());
+            visual->setAngle2(spl->GetAngle2());
+            visual->setKAsm1(spl->GetKasm1());
+            visual->setKAsm2(spl->GetKasm2());
+            visual->setKCurve(spl->GetKcurve());
+            visual->RefreshGeometry();
+            vis = visual;
+        }
+        else
+        {
+            VisToolSpline *visual = qobject_cast<VisToolSpline *>(vis);
+            if (visual != nullptr)
+            {
+                visual->show();
+            }
+        }
+    }
+    else
+    {
+        delete vis;
+        vis = nullptr;
+    }
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 /**
  * @brief ControlPointChangePosition handle change position control point.
@@ -336,4 +376,17 @@ void VToolSpline::RefreshGeometry()
 
     controlPoints[0]->blockSignals(false);
     controlPoints[1]->blockSignals(false);
+
+    if (vis != nullptr)
+    {
+        VisToolSpline *visual = qobject_cast<VisToolSpline *>(vis);
+        visual->setPoint1Id(spl->GetP1().id());
+        visual->setPoint4Id(spl->GetP4().id());
+        visual->setAngle1(spl->GetAngle1());
+        visual->setAngle2(spl->GetAngle2());
+        visual->setKAsm1(spl->GetKasm1());
+        visual->setKAsm2(spl->GetKasm2());
+        visual->setKCurve(spl->GetKcurve());
+        visual->RefreshGeometry();
+    }
 }
diff --git a/src/app/tools/drawTools/vtoolspline.h b/src/app/tools/drawTools/vtoolspline.h
index cbbb09f92..a0c8faa33 100644
--- a/src/app/tools/drawTools/vtoolspline.h
+++ b/src/app/tools/drawTools/vtoolspline.h
@@ -53,6 +53,8 @@ public:
 
     VSpline getSpline()const;
     void    setSpline(const VSpline &spl);
+
+    virtual void ShowVisualization(bool show);
 public slots:
     void         ControlPointChangePosition (const qint32 &indexSpline, const SplinePointPosition &position,
                                              const QPointF &pos);
diff --git a/src/app/tools/drawTools/vtoolsplinepath.cpp b/src/app/tools/drawTools/vtoolsplinepath.cpp
index f63b1e836..baad7c2fc 100644
--- a/src/app/tools/drawTools/vtoolsplinepath.cpp
+++ b/src/app/tools/drawTools/vtoolsplinepath.cpp
@@ -280,6 +280,38 @@ void VToolSplinePath::setSplinePath(const VSplinePath &splPath)
     SaveOption(obj);
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VToolSplinePath::ShowVisualization(bool show)
+{
+//    if (show)
+//    {
+//        if (vis == nullptr)
+//        {
+//            VisTool * visual = new VisTool(getData());
+//            VMainGraphicsScene *scene = qApp->getCurrentScene();
+//            connect(scene, &VMainGraphicsScene::NewFactor, visual, &Visualization::SetFactor);
+//            scene->addItem(visual);
+
+//            // add options
+//            visual->RefreshGeometry();
+//            vis = visual;
+//        }
+//        else
+//        {
+//            VisTool * visual = qobject_cast<VisTool *>(vis);
+//            if (visual != nullptr)
+//            {
+//                visual->show();
+//            }
+//        }
+//    }
+//    else
+//    {
+//        delete vis;
+//        vis = nullptr;
+//    }
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 /**
  * @brief contextMenuEvent handle context menu events.
diff --git a/src/app/tools/drawTools/vtoolsplinepath.h b/src/app/tools/drawTools/vtoolsplinepath.h
index cd8046a89..3943a4626 100644
--- a/src/app/tools/drawTools/vtoolsplinepath.h
+++ b/src/app/tools/drawTools/vtoolsplinepath.h
@@ -51,6 +51,8 @@ public:
 
      VSplinePath getSplinePath()const;
      void        setSplinePath(const VSplinePath &splPath);
+
+     virtual void ShowVisualization(bool show);
 signals:
     /**
      * @brief RefreshLine refresh control line.
diff --git a/src/app/tools/drawTools/vtooltriangle.cpp b/src/app/tools/drawTools/vtooltriangle.cpp
index 5b2493641..6c1eee49c 100644
--- a/src/app/tools/drawTools/vtooltriangle.cpp
+++ b/src/app/tools/drawTools/vtooltriangle.cpp
@@ -29,6 +29,7 @@
 #include "vtooltriangle.h"
 #include "../../dialogs/tools/dialogtriangle.h"
 #include "../../geometry/vpointf.h"
+#include "../../visualization/vistooltriangle.h"
 
 #include <QtMath>
 
@@ -229,6 +230,16 @@ void VToolTriangle::FullUpdateFromFile()
         secondPointId = domElement.attribute(AttrSecondPoint, "").toUInt();
     }
     VToolPoint::RefreshPointGeometry(*VDrawTool::data.GeometricObject<VPointF>(id));
+
+    if (vis != nullptr)
+    {
+        VisToolTriangle * visual = qobject_cast<VisToolTriangle *>(vis);
+        visual->setPoint1Id(axisP1Id);
+        visual->setPoint2Id(axisP2Id);
+        visual->setHypotenuseP1Id(firstPointId);
+        visual->setHypotenuseP2Id(secondPointId);
+        visual->RefreshGeometry();
+    }
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -315,6 +326,41 @@ void VToolTriangle::setSecondPointId(const quint32 &value)
     }
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VToolTriangle::ShowVisualization(bool show)
+{
+    if (show)
+    {
+        if (vis == nullptr)
+        {
+            VisToolTriangle * visual = new VisToolTriangle(getData());
+            VMainGraphicsScene *scene = qApp->getCurrentScene();
+            connect(scene, &VMainGraphicsScene::NewFactor, visual, &Visualization::SetFactor);
+            scene->addItem(visual);
+
+            visual->setPoint1Id(axisP1Id);
+            visual->setPoint2Id(axisP2Id);
+            visual->setHypotenuseP1Id(firstPointId);
+            visual->setHypotenuseP2Id(secondPointId);
+            visual->RefreshGeometry();
+            vis = visual;
+        }
+        else
+        {
+            VisToolTriangle * visual = qobject_cast<VisToolTriangle *>(vis);
+            if (visual != nullptr)
+            {
+                visual->show();
+            }
+        }
+    }
+    else
+    {
+        delete vis;
+        vis = nullptr;
+    }
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 quint32 VToolTriangle::getFirstPointId() const
 {
diff --git a/src/app/tools/drawTools/vtooltriangle.h b/src/app/tools/drawTools/vtooltriangle.h
index 9b168f721..5ae0743dc 100644
--- a/src/app/tools/drawTools/vtooltriangle.h
+++ b/src/app/tools/drawTools/vtooltriangle.h
@@ -66,6 +66,7 @@ public:
     quint32 getSecondPointId() const;
     void    setSecondPointId(const quint32 &value);
 
+    virtual void   ShowVisualization(bool show);
 public slots:
     virtual void   FullUpdateFromFile();
     virtual void   ShowContextMenu(QGraphicsSceneContextMenuEvent *event);
diff --git a/src/app/tools/nodeDetails/vabstractnode.cpp b/src/app/tools/nodeDetails/vabstractnode.cpp
index e8268da8d..ae02381c8 100644
--- a/src/app/tools/nodeDetails/vabstractnode.cpp
+++ b/src/app/tools/nodeDetails/vabstractnode.cpp
@@ -69,6 +69,12 @@ void VAbstractNode::RestoreNode()
     }
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VAbstractNode::ShowVisualization(bool show)
+{
+    Q_UNUSED(show)
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 /**
  * @brief AddToModeling add tag to modeling tag current pattern peace.
diff --git a/src/app/tools/nodeDetails/vabstractnode.h b/src/app/tools/nodeDetails/vabstractnode.h
index 3d167618b..61f505ccc 100644
--- a/src/app/tools/nodeDetails/vabstractnode.h
+++ b/src/app/tools/nodeDetails/vabstractnode.h
@@ -45,6 +45,7 @@ public:
     static const QString AttrIdTool;
     virtual void DeleteNode();
     virtual void RestoreNode();
+    virtual void ShowVisualization(bool show);
 protected:
     /** @brief idNodenode id. */
     quint32       idNode;
diff --git a/src/app/tools/vabstracttool.cpp b/src/app/tools/vabstracttool.cpp
index adf2d4f5a..90a6e66d1 100644
--- a/src/app/tools/vabstracttool.cpp
+++ b/src/app/tools/vabstracttool.cpp
@@ -84,7 +84,8 @@ const QString VAbstractTool::TypeLineDashDotDotLine = QStringLiteral("dashDotDot
  * @param parent parent object.
  */
 VAbstractTool::VAbstractTool(VPattern *doc, VContainer *data, quint32 id, QObject *parent)
-    :VDataTool(data, parent), doc(doc), id(id), baseColor(Qt::black), currentColor(Qt::black), typeLine(TypeLineLine)
+    :VDataTool(data, parent), doc(doc), id(id), baseColor(Qt::black), currentColor(Qt::black), typeLine(TypeLineLine),
+      vis(nullptr)
 {
     SCASSERT(doc != nullptr);
     connect(this, &VAbstractTool::toolhaveChange, this->doc, &VPattern::haveLiteChange);
@@ -92,6 +93,12 @@ VAbstractTool::VAbstractTool(VPattern *doc, VContainer *data, quint32 id, QObjec
     connect(this, &VAbstractTool::LiteUpdateTree, this->doc, &VPattern::LiteParseTree);
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+VAbstractTool::~VAbstractTool()
+{
+    delete vis;
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 /**
  * @brief NewSceneRect calculate scene rect what contains all items and doesn't less that size of scene view.
diff --git a/src/app/tools/vabstracttool.h b/src/app/tools/vabstracttool.h
index 210b02480..3ae5b9246 100644
--- a/src/app/tools/vabstracttool.h
+++ b/src/app/tools/vabstracttool.h
@@ -39,6 +39,7 @@ class QGraphicsScene;
 class QGraphicsView;
 class QGraphicsItem;
 class QRectF;
+class Visualization;
 
 /**
  * @brief The VAbstractTool abstract class for all tools.
@@ -48,7 +49,7 @@ class VAbstractTool: public VDataTool
     Q_OBJECT
 public:
     VAbstractTool(VPattern *doc, VContainer *data, quint32 id, QObject *parent = nullptr);
-    virtual ~VAbstractTool(){}
+    virtual ~VAbstractTool();
     static void             NewSceneRect(QGraphicsScene *sc, QGraphicsView *view);
     static QPointF          LineIntersectRect(QRectF rec, QLineF line);
     static qint32           LineIntersectCircle(const QPointF &center, qreal radius, const QLineF &line, QPointF &p1,
@@ -105,7 +106,7 @@ public:
     void                    setTypeLine(const QString &value);
     QMap<QString, quint32>  PointsList() const;
     virtual QString         getTagName() const =0;
-
+    virtual void            ShowVisualization(bool show) =0;
 public slots:
     /**
      * @brief FullUpdateFromFile update tool data form file.
@@ -142,6 +143,8 @@ protected:
     /** @brief typeLine line type. */
     QString                 typeLine;
 
+    Visualization           *vis;
+
     /**
      * @brief AddToFile add tag with informations about tool into file.
      */
diff --git a/src/app/tools/vtooldetail.cpp b/src/app/tools/vtooldetail.cpp
index 010e96b04..4cbe065ba 100644
--- a/src/app/tools/vtooldetail.cpp
+++ b/src/app/tools/vtooldetail.cpp
@@ -487,6 +487,12 @@ QString VToolDetail::getTagName() const
     return VToolDetail::TagName;
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VToolDetail::ShowVisualization(bool show)
+{
+
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 /**
  * @brief RefreshGeometry refresh item on scene.
diff --git a/src/app/tools/vtooldetail.h b/src/app/tools/vtooldetail.h
index 3b33c0695..61cf79210 100644
--- a/src/app/tools/vtooldetail.h
+++ b/src/app/tools/vtooldetail.h
@@ -85,6 +85,7 @@ public:
     virtual int        type() const {return Type;}
     enum { Type = UserType + static_cast<int>(Tool::Detail)};
     virtual QString    getTagName() const;
+    virtual void       ShowVisualization(bool show);
 public slots:
     virtual void       FullUpdateFromFile ();
     virtual void       FullUpdateFromGuiOk(int result);
diff --git a/src/app/tools/vtooluniondetails.cpp b/src/app/tools/vtooluniondetails.cpp
index a8cbcd6b3..54db8727d 100644
--- a/src/app/tools/vtooluniondetails.cpp
+++ b/src/app/tools/vtooluniondetails.cpp
@@ -441,6 +441,12 @@ QString VToolUnionDetails::getTagName() const
     return VToolUnionDetails::TagName;
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VToolUnionDetails::ShowVisualization(bool show)
+{
+
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 /**
  * @brief Create help create tool from GUI.
diff --git a/src/app/tools/vtooluniondetails.h b/src/app/tools/vtooluniondetails.h
index 2d4168c55..737778532 100644
--- a/src/app/tools/vtooluniondetails.h
+++ b/src/app/tools/vtooluniondetails.h
@@ -77,6 +77,7 @@ public:
     static void  BiasRotatePoint(VPointF *point, const qreal &dx, const qreal &dy, const QPointF &pRotate,
                                  const qreal &angle);
     virtual QString getTagName() const;
+    virtual void ShowVisualization(bool show);
 public slots:
     /**
      * @brief FullUpdateFromFile update tool data form file.
diff --git a/src/app/widgets/vtooloptionspropertybrowser.cpp b/src/app/widgets/vtooloptionspropertybrowser.cpp
index 614a80ba2..8a4167768 100644
--- a/src/app/widgets/vtooloptionspropertybrowser.cpp
+++ b/src/app/widgets/vtooloptionspropertybrowser.cpp
@@ -308,10 +308,16 @@ void VToolOptionsPropertyBrowser::itemClicked(QGraphicsItem *item)
     propertyToId.clear();
     idToProperty.clear();
 
-    currentItem = item;
+    VAbstractTool *previousTool = dynamic_cast<VAbstractTool *>(currentItem);
+    if (previousTool != nullptr)
+    {
+        previousTool->ShowVisualization(false); // hide for previous tool
+    }
 
+    currentItem = item;
     if (currentItem == nullptr)
     {
+        formView->setTitle("");
         return;
     }
 
@@ -835,6 +841,7 @@ void VToolOptionsPropertyBrowser::ChangeDataToolTriangle(VProperty *property)
 void VToolOptionsPropertyBrowser::ShowOptionsToolSinglePoint(QGraphicsItem *item)
 {
     VToolSinglePoint *i = qgraphicsitem_cast<VToolSinglePoint *>(item);
+    i->ShowVisualization(true);
     formView->setTitle(tr("Base point"));
 
     AddPropertyPointName(i, tr("Point label"));
@@ -848,6 +855,7 @@ void VToolOptionsPropertyBrowser::ShowOptionsToolSinglePoint(QGraphicsItem *item
 void VToolOptionsPropertyBrowser::ShowOptionsToolEndLine(QGraphicsItem *item)
 {
     VToolEndLine *i = qgraphicsitem_cast<VToolEndLine *>(item);
+    i->ShowVisualization(true);
     formView->setTitle(tr("Point at distance and angle"));
 
     AddPropertyPointName(i, tr("Point label"));
@@ -860,6 +868,7 @@ void VToolOptionsPropertyBrowser::ShowOptionsToolEndLine(QGraphicsItem *item)
 void VToolOptionsPropertyBrowser::ShowOptionsToolAlongLine(QGraphicsItem *item)
 {
     VToolAlongLine *i = qgraphicsitem_cast<VToolAlongLine *>(item);
+    i->ShowVisualization(true);
     formView->setTitle(tr("Point at distance along line"));
 
     AddPropertyPointName(i, tr("Point label"));
@@ -871,6 +880,7 @@ void VToolOptionsPropertyBrowser::ShowOptionsToolAlongLine(QGraphicsItem *item)
 void VToolOptionsPropertyBrowser::ShowOptionsToolArc(QGraphicsItem *item)
 {
     VToolArc *i = qgraphicsitem_cast<VToolArc *>(item);
+    i->ShowVisualization(true);
     formView->setTitle(tr("Arc"));
 
     AddPropertyFormula(tr("Radius"), i->getFormulaRadius(), VAbstractTool::AttrRadius);
@@ -882,6 +892,7 @@ void VToolOptionsPropertyBrowser::ShowOptionsToolArc(QGraphicsItem *item)
 void VToolOptionsPropertyBrowser::ShowOptionsToolBisector(QGraphicsItem *item)
 {
     VToolBisector *i = qgraphicsitem_cast<VToolBisector *>(item);
+    i->ShowVisualization(true);
     formView->setTitle(tr("Point along bisector"));
 
     AddPropertyPointName(i, tr("Point label"));
@@ -893,6 +904,7 @@ void VToolOptionsPropertyBrowser::ShowOptionsToolBisector(QGraphicsItem *item)
 void VToolOptionsPropertyBrowser::ShowOptionsToolCutArc(QGraphicsItem *item)
 {
     VToolCutArc *i = qgraphicsitem_cast<VToolCutArc *>(item);
+    i->ShowVisualization(true);
     formView->setTitle(tr("Cut arc tool"));
 
     AddPropertyPointName(i, tr("Point label"));
@@ -903,6 +915,7 @@ void VToolOptionsPropertyBrowser::ShowOptionsToolCutArc(QGraphicsItem *item)
 void VToolOptionsPropertyBrowser::ShowOptionsToolCutSpline(QGraphicsItem *item)
 {
     VToolCutSpline *i = qgraphicsitem_cast<VToolCutSpline *>(item);
+    i->ShowVisualization(true);
     formView->setTitle(tr("Tool for segmenting a curve"));
 
     AddPropertyPointName(i, tr("Point label"));
@@ -913,6 +926,7 @@ void VToolOptionsPropertyBrowser::ShowOptionsToolCutSpline(QGraphicsItem *item)
 void VToolOptionsPropertyBrowser::ShowOptionsToolCutSplinePath(QGraphicsItem *item)
 {
     VToolCutSplinePath *i = qgraphicsitem_cast<VToolCutSplinePath *>(item);
+    i->ShowVisualization(true);
     formView->setTitle(tr("Tool segment a pathed curve"));
 
     AddPropertyPointName(i, tr("Point label"));
@@ -923,6 +937,7 @@ void VToolOptionsPropertyBrowser::ShowOptionsToolCutSplinePath(QGraphicsItem *it
 void VToolOptionsPropertyBrowser::ShowOptionsToolHeight(QGraphicsItem *item)
 {
     VToolHeight *i = qgraphicsitem_cast<VToolHeight *>(item);
+    i->ShowVisualization(true);
     formView->setTitle(tr("Perpendicular point along line"));
 
     AddPropertyPointName(i, tr("Point label"));
@@ -933,6 +948,7 @@ void VToolOptionsPropertyBrowser::ShowOptionsToolHeight(QGraphicsItem *item)
 void VToolOptionsPropertyBrowser::ShowOptionsToolLine(QGraphicsItem *item)
 {
     VToolLine *i = qgraphicsitem_cast<VToolLine *>(item);
+    i->ShowVisualization(true);
     formView->setTitle(tr("Line between points"));
 
     AddPropertyLineType(i, tr("Line type"));
@@ -942,6 +958,7 @@ void VToolOptionsPropertyBrowser::ShowOptionsToolLine(QGraphicsItem *item)
 void VToolOptionsPropertyBrowser::ShowOptionsToolLineIntersect(QGraphicsItem *item)
 {
     VToolLineIntersect *i = qgraphicsitem_cast<VToolLineIntersect *>(item);
+    i->ShowVisualization(true);
     formView->setTitle(tr("Point at line intersection"));
 
     AddPropertyPointName(i, tr("Point label"));
@@ -951,6 +968,7 @@ void VToolOptionsPropertyBrowser::ShowOptionsToolLineIntersect(QGraphicsItem *it
 void VToolOptionsPropertyBrowser::ShowOptionsToolNormal(QGraphicsItem *item)
 {
     VToolNormal *i = qgraphicsitem_cast<VToolNormal *>(item);
+    i->ShowVisualization(true);
     formView->setTitle(tr("Point along perpendicular"));
 
     AddPropertyFormula(tr("Length"), i->getFormulaLength(), VAbstractTool::AttrLength);
@@ -969,6 +987,7 @@ void VToolOptionsPropertyBrowser::ShowOptionsToolNormal(QGraphicsItem *item)
 void VToolOptionsPropertyBrowser::ShowOptionsToolPointOfContact(QGraphicsItem *item)
 {
     VToolPointOfContact *i = qgraphicsitem_cast<VToolPointOfContact *>(item);
+    i->ShowVisualization(true);
     formView->setTitle(tr("Point at intersection of arc and line"));
 
     AddPropertyPointName(i, tr("Point label"));
@@ -979,6 +998,7 @@ void VToolOptionsPropertyBrowser::ShowOptionsToolPointOfContact(QGraphicsItem *i
 void VToolOptionsPropertyBrowser::ShowOptionsToolPointOfIntersection(QGraphicsItem *item)
 {
     VToolPointOfIntersection *i = qgraphicsitem_cast<VToolPointOfIntersection *>(item);
+    i->ShowVisualization(true);
     formView->setTitle(tr("Tool to make point from x & y of two other points"));
 
     AddPropertyPointName(i, tr("Point label"));
@@ -988,6 +1008,7 @@ void VToolOptionsPropertyBrowser::ShowOptionsToolPointOfIntersection(QGraphicsIt
 void VToolOptionsPropertyBrowser::ShowOptionsToolShoulderPoint(QGraphicsItem *item)
 {
     VToolShoulderPoint *i = qgraphicsitem_cast<VToolShoulderPoint *>(item);
+    i->ShowVisualization(true);
     formView->setTitle(tr("Special point on shoulder"));
 
     AddPropertyPointName(i, tr("Point label"));
@@ -999,6 +1020,7 @@ void VToolOptionsPropertyBrowser::ShowOptionsToolShoulderPoint(QGraphicsItem *it
 void VToolOptionsPropertyBrowser::ShowOptionsToolSpline(QGraphicsItem *item)
 {
     VToolSpline *i = qgraphicsitem_cast<VToolSpline *>(item);
+    i->ShowVisualization(true);
     formView->setTitle(tr("Curve tool"));
 
     VDoubleProperty* itemFactor = new VDoubleProperty(tr("Curve factor"));
@@ -1015,6 +1037,7 @@ void VToolOptionsPropertyBrowser::ShowOptionsToolSpline(QGraphicsItem *item)
 void VToolOptionsPropertyBrowser::ShowOptionsToolSplinePath(QGraphicsItem *item)
 {
     VToolSplinePath *i = qgraphicsitem_cast<VToolSplinePath *>(item);
+    i->ShowVisualization(true);
     formView->setTitle(tr("Tool for path curve"));
 
     VDoubleProperty* itemFactor = new VDoubleProperty(tr("Curve factor"));
@@ -1031,6 +1054,7 @@ void VToolOptionsPropertyBrowser::ShowOptionsToolSplinePath(QGraphicsItem *item)
 void VToolOptionsPropertyBrowser::ShowOptionsToolTriangle(QGraphicsItem *item)
 {
     VToolTriangle *i = qgraphicsitem_cast<VToolTriangle *>(item);
+    i->ShowVisualization(true);
     formView->setTitle(tr("Tool triangle"));
 
     AddPropertyPointName(i, tr("Point label"));