diff --git a/src/app/dialogs/tools/dialogdetail.cpp b/src/app/dialogs/tools/dialogdetail.cpp
index 08b61a90a..92943718f 100644
--- a/src/app/dialogs/tools/dialogdetail.cpp
+++ b/src/app/dialogs/tools/dialogdetail.cpp
@@ -192,7 +192,7 @@ void DialogDetail::setDetails(const VDetail &value)
 {
     details = value;
     ui.listWidget->clear();
-    for (ptrdiff_t i = 0; i < details.CountNode(); ++i)
+    for (int i = 0; i < details.CountNode(); ++i)
     {
         NewItem(details.at(i).getId(), details.at(i).getTypeTool(), details.at(i).getTypeNode(), details.at(i).getMx(),
                 details.at(i).getMy());
diff --git a/src/app/dialogs/tools/dialoguniondetails.cpp b/src/app/dialogs/tools/dialoguniondetails.cpp
index fd7de39bd..80b08877c 100644
--- a/src/app/dialogs/tools/dialoguniondetails.cpp
+++ b/src/app/dialogs/tools/dialoguniondetails.cpp
@@ -104,7 +104,7 @@ bool DialogUnionDetails::CheckObject(const quint32 &id, const quint32 &idDetail)
  * @param index index of edge
  */
 void DialogUnionDetails::ChoosedDetail(const quint32 &id, const SceneObject &type, quint32 &idDetail,
-                                       ptrdiff_t &index)
+                                       int &index)
 {
     if (idDetail == 0)
     {
diff --git a/src/app/dialogs/tools/dialoguniondetails.h b/src/app/dialogs/tools/dialoguniondetails.h
index 37a34f29c..01aff8904 100644
--- a/src/app/dialogs/tools/dialoguniondetails.h
+++ b/src/app/dialogs/tools/dialoguniondetails.h
@@ -48,8 +48,8 @@ public:
 
     quint32          getD1() const;
     quint32          getD2() const;
-    ptrdiff_t        getIndexD1() const;
-    ptrdiff_t        getIndexD2() const;
+    int        getIndexD1() const;
+    int        getIndexD2() const;
 public slots:
     void             ChosenObject(quint32 id, const SceneObject &type);
     virtual void     UpdateList();
@@ -60,10 +60,10 @@ private:
     Ui::DialogUnionDetails *ui;
 
     /** @brief indexD1 index edge first detail */
-    ptrdiff_t        indexD1;
+    int        indexD1;
 
     /** @brief indexD2 index edge second detail */
-    ptrdiff_t        indexD2;
+    int        indexD2;
 
     /** @brief d1 id first detail */
     quint32           d1;
@@ -85,7 +85,7 @@ private:
 
     bool             CheckObject(const quint32 &id, const quint32 &idDetail) const;
     void             ChoosedDetail(const quint32 &id, const SceneObject &type, quint32 &idDetail,
-                                   ptrdiff_t &index);
+                                   int &index);
 };
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -113,7 +113,7 @@ inline quint32 DialogUnionDetails::getD2() const
  * @brief getIndexD1 return index edge first detail
  * @return index
  */
-inline ptrdiff_t DialogUnionDetails::getIndexD1() const
+inline int DialogUnionDetails::getIndexD1() const
 {
     return indexD1;
 }
@@ -123,7 +123,7 @@ inline ptrdiff_t DialogUnionDetails::getIndexD1() const
  * @brief getIndexD2 return index edge second detail
  * @return index
  */
-inline ptrdiff_t DialogUnionDetails::getIndexD2() const
+inline int DialogUnionDetails::getIndexD2() const
 {
     return indexD2;
 }
diff --git a/src/app/geometry/vdetail.h b/src/app/geometry/vdetail.h
index 8e324d59d..50a3ac12c 100644
--- a/src/app/geometry/vdetail.h
+++ b/src/app/geometry/vdetail.h
@@ -93,13 +93,13 @@ public:
      * @param indx index node in list.
      * @return node
      */
-    VNodeDetail &  operator[](ptrdiff_t indx);
+    VNodeDetail &  operator[](int indx);
     /**
      * @brief at find node by index in list.
      * @param indx index node in list.
      * @return const node.
      */
-    const VNodeDetail & at ( ptrdiff_t indx ) const;
+    const VNodeDetail & at ( int indx ) const;
     /**
      * @brief getName return detail name.
      * @return name.
@@ -175,7 +175,7 @@ public:
      * @param id object (arc, point, spline, splinePath) id.
      * @return index in list or -1 id can't find.
      */
-    ptrdiff_t      indexOfNode(const quint32 &id) const;
+    int      indexOfNode(const quint32 &id) const;
     /**
      * @brief id return id detail in list data.
      * @return id.
@@ -201,7 +201,7 @@ public:
      * @param p2 id second point.
      * @return edge index or -1 if points don't located on edge
      */
-    ptrdiff_t      Edge(const quint32 &p1, const quint32 &p2)const;
+    int      Edge(const quint32 &p1, const quint32 &p2)const;
     /**
      * @brief NodeOnEdge return nodes located on edge with index.
      * @param index index of edge.
diff --git a/src/app/geometry/vequidistant.cpp b/src/app/geometry/vequidistant.cpp
index 28e640f7a..ec0bdcf90 100644
--- a/src/app/geometry/vequidistant.cpp
+++ b/src/app/geometry/vequidistant.cpp
@@ -43,7 +43,7 @@ QPainterPath VEquidistant::ContourPath(const quint32 &idDetail, const VContainer
     VDetail detail = data->GetDetail(idDetail);
     QVector<QPointF> points;
     QVector<QPointF> pointsEkv;
-    for (ptrdiff_t i = 0; i< detail.CountNode(); ++i)
+    for (int i = 0; i< detail.CountNode(); ++i)
     {
         switch (detail.at(i).getTypeTool())
         {
diff --git a/src/app/geometry/vsplinepath.cpp b/src/app/geometry/vsplinepath.cpp
index 4fa7736d9..33df03750 100644
--- a/src/app/geometry/vsplinepath.cpp
+++ b/src/app/geometry/vsplinepath.cpp
@@ -172,13 +172,13 @@ VSplinePath &VSplinePath::operator =(const VSplinePath &path)
 }
 
 //---------------------------------------------------------------------------------------------------------------------
-VSplinePoint & VSplinePath::operator[](ptrdiff_t indx)
+VSplinePoint & VSplinePath::operator[](int indx)
 {
     return d->path[indx];
 }
 
 //---------------------------------------------------------------------------------------------------------------------
-const VSplinePoint &VSplinePath::at(ptrdiff_t indx) const
+const VSplinePoint &VSplinePath::at(int indx) const
 {
     return d->path[indx];
 }
diff --git a/src/app/geometry/vsplinepath.h b/src/app/geometry/vsplinepath.h
index e0c3592f9..e562be232 100644
--- a/src/app/geometry/vsplinepath.h
+++ b/src/app/geometry/vsplinepath.h
@@ -143,13 +143,13 @@ public:
      * @param indx index in list.
      * @return spline point.
      */
-    VSplinePoint  &operator[](ptrdiff_t indx);
+    VSplinePoint  &operator[](int indx);
     /**
      * @brief at return spline point by index.
      * @param indx index in list.
      * @return spline point.
      */
-    const VSplinePoint &at(ptrdiff_t indx) const;
+    const VSplinePoint &at(int indx) const;
     /**
      * @brief CutSplinePath cut spline path into two. This method don't return two spline path. You must create spline
      * paths by yourself.
diff --git a/src/app/tools/vtooldetail.cpp b/src/app/tools/vtooldetail.cpp
index 66435ccd9..4e715b73c 100644
--- a/src/app/tools/vtooldetail.cpp
+++ b/src/app/tools/vtooldetail.cpp
@@ -76,7 +76,7 @@ VToolDetail::VToolDetail(VPattern *doc, VContainer *data, const quint32 &id, con
     :VAbstractTool(doc, data, id), QGraphicsPathItem(parent), dialog(nullptr), sceneDetails(scene)
 {
     VDetail detail = data->GetDetail(id);
-    for (ptrdiff_t i = 0; i< detail.CountNode(); ++i)
+    for (int i = 0; i< detail.CountNode(); ++i)
     {
         switch (detail.at(i).getTypeTool())
         {
@@ -148,7 +148,7 @@ void VToolDetail::Create(DialogTool *dialog, VMainGraphicsScene *scene, VPattern
     VDetail detail = dialogTool->getDetails();
     VDetail det;
     qApp->getUndoStack()->beginMacro("add detail");
-    for (ptrdiff_t i = 0; i< detail.CountNode(); ++i)
+    for (int i = 0; i< detail.CountNode(); ++i)
     {
         quint32 id = 0;
         switch (detail.at(i).getTypeTool())
@@ -285,7 +285,7 @@ void VToolDetail::AddToFile()
     doc->SetAttribute(domElement, AttrClosed, detail.getClosed());
     doc->SetAttribute(domElement, AttrWidth, detail.getWidth());
 
-    for (ptrdiff_t i = 0; i < detail.CountNode(); ++i)
+    for (int i = 0; i < detail.CountNode(); ++i)
     {
        AddNode(doc, domElement, detail.at(i));
     }
@@ -310,7 +310,7 @@ void VToolDetail::RefreshDataInFile()
         doc->SetAttribute(domElement, AttrClosed, QString().setNum(det.getClosed()));
         doc->SetAttribute(domElement, AttrWidth, QString().setNum(det.getWidth()));
         doc->RemoveAllChild(domElement);
-        for (ptrdiff_t i = 0; i < det.CountNode(); ++i)
+        for (int i = 0; i < det.CountNode(); ++i)
         {
            AddNode(doc, domElement, det.at(i));
         }
@@ -434,7 +434,7 @@ void VToolDetail::contextMenuEvent(QGraphicsSceneContextMenuEvent *event)
 void VToolDetail::RemoveReferens()
 {
     VDetail detail = VAbstractTool::data.GetDetail(id);
-    for (ptrdiff_t i = 0; i< detail.CountNode(); ++i)
+    for (int i = 0; i< detail.CountNode(); ++i)
     {
         doc->DecrementReferens(detail.at(i).getId());
     }
diff --git a/src/app/tools/vtooluniondetails.cpp b/src/app/tools/vtooluniondetails.cpp
index 7eb134cc3..2e9373bba 100644
--- a/src/app/tools/vtooluniondetails.cpp
+++ b/src/app/tools/vtooluniondetails.cpp
@@ -90,7 +90,7 @@ VToolUnionDetails::VToolUnionDetails(VPattern *doc, VContainer *data, const quin
  * @param angle angle rotation.
  */
 void VToolUnionDetails::AddToNewDetail(QObject *tool, VPattern *doc, VContainer *data, VDetail &newDetail,
-                                       const VDetail &det, const ptrdiff_t &i, const quint32 &idTool, const qreal &dx,
+                                       const VDetail &det, const int &i, const quint32 &idTool, const qreal &dx,
                                        const qreal &dy, const quint32 &pRotate, const qreal &angle)
 {
     quint32 id = 0, idObject = 0;
@@ -273,7 +273,7 @@ void VToolUnionDetails::AddToNewDetail(QObject *tool, VPattern *doc, VContainer
  * @param pRotate point rotation.
  * @param angle angle rotation.
  */
-void VToolUnionDetails::UpdatePoints(const quint32 &idDetail, VContainer *data, const VDetail &det, const ptrdiff_t &i,
+void VToolUnionDetails::UpdatePoints(const quint32 &idDetail, VContainer *data, const VDetail &det, const int &i,
                                      quint32 &idCount, const qreal &dx, const qreal &dy, const quint32 &pRotate,
                                      const qreal &angle)
 {
@@ -518,11 +518,11 @@ VToolUnionDetails* VToolUnionDetails::Create(const quint32 _id, const VDetail &d
         unionDetails = new VToolUnionDetails(doc, data, id, d1, d2, indexD1, indexD2, typeCreation, doc);
         QHash<quint32, VDataTool*>* tools = doc->getTools();
         tools->insert(id, unionDetails);
-        for (ptrdiff_t i = 0; i < d1.CountNode(); ++i)
+        for (int i = 0; i < d1.CountNode(); ++i)
         {
             doc->IncrementReferens(d1.at(i).getId());
         }
-        for (ptrdiff_t i = 0; i < d2.CountNode(); ++i)
+        for (int i = 0; i < d2.CountNode(); ++i)
         {
             doc->IncrementReferens(d2.at(i).getId());
         }
@@ -650,7 +650,7 @@ void VToolUnionDetails::FindJ(const qint32 &pointsD2, const VDetail &d2, const q
         VNodeDetail node1;
         VNodeDetail node2;
         d2.NodeOnEdge(indexD2, node1, node2);
-        ptrdiff_t k = d2.RemoveEdge(indexD2).indexOfNode(node2.getId());
+        int k = d2.RemoveEdge(indexD2).indexOfNode(node2.getId());
         if (k == d2.RemoveEdge(indexD2).CountNode()-1)
         {
             j = 0;
@@ -778,7 +778,7 @@ void VToolUnionDetails::AddDetail(QDomElement &domElement, VDetail &d)
 {
     QDomElement det = doc->createElement(TagDetail);
 
-    for (ptrdiff_t i = 0; i < d.CountNode(); ++i)
+    for (int i = 0; i < d.CountNode(); ++i)
     {
         AddNode(det, d.at(i));
     }
@@ -818,7 +818,7 @@ QDomNode VToolUnionDetails::UpdateDetail(const QDomNode &domNode, const VDetail
                 if (domElement.tagName() == VToolUnionDetails::TagDetail)
                 {
                     doc->removeAllChilds(domElement);//delete all nodes in detail
-                    for (ptrdiff_t i = 0; i < d.CountNode(); ++i)
+                    for (int i = 0; i < d.CountNode(); ++i)
                     {
                         AddNode(domElement, d.at(i));//rewrite nodes of detail
                     }
diff --git a/src/app/tools/vtooluniondetails.h b/src/app/tools/vtooluniondetails.h
index 737778532..2685bf049 100644
--- a/src/app/tools/vtooluniondetails.h
+++ b/src/app/tools/vtooluniondetails.h
@@ -69,9 +69,9 @@ public:
     static const QString NodeTypeContour;
     static const QString NodeTypeModeling;
     static void  AddToNewDetail(QObject *tool, VPattern *doc, VContainer *data, VDetail &newDetail,
-                                const VDetail &det, const ptrdiff_t &i, const quint32 &idTool, const qreal &dx = 0,
+                                const VDetail &det, const int &i, const quint32 &idTool, const qreal &dx = 0,
                                 const qreal &dy = 0, const quint32 &pRotate = 0, const qreal &angle = 0);
-    static void  UpdatePoints(const quint32 &idDetail, VContainer *data, const VDetail &det, const ptrdiff_t &i,
+    static void  UpdatePoints(const quint32 &idDetail, VContainer *data, const VDetail &det, const int &i,
                               quint32 &idCount, const qreal &dx = 0, const qreal &dy = 0, const quint32 &pRotate = 0,
                               const qreal &angle = 0);
     static void  BiasRotatePoint(VPointF *point, const qreal &dx, const qreal &dy, const QPointF &pRotate,
diff --git a/src/app/undocommands/savedetailoptions.cpp b/src/app/undocommands/savedetailoptions.cpp
index 9d2dc6c24..c3776104f 100644
--- a/src/app/undocommands/savedetailoptions.cpp
+++ b/src/app/undocommands/savedetailoptions.cpp
@@ -50,7 +50,7 @@ void SaveDetailOptions::undo()
     {
         SaveDet(domElement, oldDet);
         doc->RemoveAllChild(domElement);
-        for (ptrdiff_t i = 0; i < oldDet.CountNode(); ++i)
+        for (int i = 0; i < oldDet.CountNode(); ++i)
         {
            VToolDetail::AddNode(doc, domElement, oldDet.at(i));
         }
@@ -85,7 +85,7 @@ void SaveDetailOptions::redo()
     {
         SaveDet(domElement, newDet);
         doc->RemoveAllChild(domElement);
-        for (ptrdiff_t i = 0; i < newDet.CountNode(); ++i)
+        for (int i = 0; i < newDet.CountNode(); ++i)
         {
            VToolDetail::AddNode(doc, domElement, newDet.at(i));
         }