diff --git a/src/libs/vdxf/dxflib/dl_attributes.h b/src/libs/vdxf/dxflib/dl_attributes.h
index 38d192db8..1fc93a863 100644
--- a/src/libs/vdxf/dxflib/dl_attributes.h
+++ b/src/libs/vdxf/dxflib/dl_attributes.h
@@ -91,8 +91,8 @@ public:
      * @param layer Layer name for this entity or NULL for no layer
      *              (every entity should be on a named layer!).
      * @param color Color number (0..256). 0 = BYBLOCK, 256 = BYLAYER.
-     * @param color24 24 bit color (see DXF reference).
-     * @param width Line thickness. Defaults to zero. -1 = BYLAYER,
+     * @param color24 24 bit color (0x00RRGGBB, see DXF reference).
+     * @param width Line thickness. Defaults to zero. -1 = BYLAYER, 
      *               -2 = BYBLOCK, -3 = default width
      * @param linetype Line type name or "BYLAYER" or "BYBLOCK". Defaults
      *              to "BYLAYER"
diff --git a/src/libs/vdxf/dxflib/dl_dxf.cpp b/src/libs/vdxf/dxflib/dl_dxf.cpp
index eaa80f7b5..75d5bef73 100644
--- a/src/libs/vdxf/dxflib/dl_dxf.cpp
+++ b/src/libs/vdxf/dxflib/dl_dxf.cpp
@@ -417,7 +417,7 @@ bool DL_Dxf::processDXFGroup(DL_CreationInterface* creationInterface,
         int color24;
         color24 = getIntValue(420, -1);
         int handle;
-        handle = getIntValue(5, -1);
+        handle = getInt16Value(5, -1);
 
         std::string linetype = getStringValue(6, "BYLAYER");
 
@@ -1151,7 +1151,7 @@ void DL_Dxf::addRay(DL_CreationInterface* creationInterface)
  */
 void DL_Dxf::addPolyline(DL_CreationInterface* creationInterface)
 {
-    DL_PolylineData pd(maxVertices, getIntValue(71, 0), getIntValue(72, 0), getIntValue(70, 0));
+    DL_PolylineData pd(maxVertices, getIntValue(71, 0), getIntValue(72, 0), getIntValue(70, 0), getRealValue(38, 0));
     creationInterface->addPolyline(pd);
 
     maxVertices = std::min(maxVertices, vertexIndex+1);
@@ -1406,7 +1406,7 @@ void DL_Dxf::addMText(DL_CreationInterface* creationInterface)
     {
         if (libVersion<=0x02000200)
         {
-            // wrong but compatible with dxflib <=2.0.2.0:
+            // wrong but compatible with dxflib <=2.0.2.0 (angle stored in rad):
             angle = getRealValue(50, 0.0);
         }
         else
@@ -1578,7 +1578,12 @@ bool DL_Dxf::handleXData(DL_CreationInterface* creationInterface)
         creationInterface->addXDataReal(static_cast<int>(groupCode), toReal(groupValue));
         return true;
     }
-    else if (groupCode>=1060 && groupCode<=1071)
+    else if (groupCode>=1060 && groupCode<=1070)
+    {
+        creationInterface->addXDataInt(static_cast<int>(groupCode), toInt(groupValue));
+        return true;
+    }
+    else if (groupCode==1071)
     {
         creationInterface->addXDataInt(static_cast<int>(groupCode), toInt(groupValue));
         return true;
@@ -2629,9 +2634,12 @@ void DL_Dxf::writePoint(DL_WriterA& dw,
     if (version==DL_VERSION_2000)
     {
         dw.dxfString(100, "AcDbEntity");
-        dw.dxfString(100, "AcDbPoint");
     }
     dw.entityAttributes(attrib);
+    if (version==DL_VERSION_2000)
+    {
+        dw.dxfString(100, "AcDbPoint");
+    }
     dw.coord(DL_POINT_COORD_CODE, data.x, data.y, data.z);
 }
 
@@ -2652,9 +2660,12 @@ void DL_Dxf::writeLine(DL_WriterA& dw,
     if (version==DL_VERSION_2000)
     {
         dw.dxfString(100, "AcDbEntity");
-        dw.dxfString(100, "AcDbLine");
     }
     dw.entityAttributes(attrib);
+    if (version==DL_VERSION_2000)
+    {
+        dw.dxfString(100, "AcDbLine");
+    }
     dw.coord(DL_LINE_START_CODE, data.x1, data.y1, data.z1);
     dw.coord(DL_LINE_END_CODE, data.x2, data.y2, data.z2);
 }
@@ -2676,9 +2687,12 @@ void DL_Dxf::writeXLine(DL_WriterA& dw,
     if (version==DL_VERSION_2000)
     {
         dw.dxfString(100, "AcDbEntity");
-        dw.dxfString(100, "AcDbLine");
     }
     dw.entityAttributes(attrib);
+    if (version==DL_VERSION_2000)
+    {
+        dw.dxfString(100, "AcDbLine");
+    }
     dw.coord(DL_LINE_START_CODE, data.bx, data.by, data.bz);
     dw.coord(DL_LINE_END_CODE, data.dx, data.dy, data.dz);
 }
@@ -2700,9 +2714,12 @@ void DL_Dxf::writeRay(DL_WriterA& dw,
     if (version==DL_VERSION_2000)
     {
         dw.dxfString(100, "AcDbEntity");
-        dw.dxfString(100, "AcDbLine");
     }
     dw.entityAttributes(attrib);
+    if (version==DL_VERSION_2000)
+    {
+        dw.dxfString(100, "AcDbLine");
+    }
     dw.coord(DL_LINE_START_CODE, data.bx, data.by, data.bz);
     dw.coord(DL_LINE_END_CODE, data.dx, data.dy, data.dz);
 }
@@ -2724,8 +2741,8 @@ void DL_Dxf::writePolyline(DL_WriterA& dw,
     if (version==DL_VERSION_2000)
     {
         dw.entity("LWPOLYLINE");
-        dw.entityAttributes(attrib);
         dw.dxfString(100, "AcDbEntity");
+        dw.entityAttributes(attrib);
         dw.dxfString(100, "AcDbPolyline");
         dw.dxfInt(90, static_cast<int>(data.number));
         dw.dxfInt(70, data.flags);
@@ -2808,10 +2825,13 @@ void DL_Dxf::writeSpline(DL_WriterA& dw,
 {
 
     dw.entity("SPLINE");
-    dw.entityAttributes(attrib);
     if (version==DL_VERSION_2000)
     {
         dw.dxfString(100, "AcDbEntity");
+    }
+    dw.entityAttributes(attrib);
+    if (version==DL_VERSION_2000)
+    {
         dw.dxfString(100, "AcDbSpline");
     }
     dw.dxfInt(70, data.flags);
@@ -2887,9 +2907,12 @@ void DL_Dxf::writeCircle(DL_WriterA& dw,
     if (version==DL_VERSION_2000)
     {
         dw.dxfString(100, "AcDbEntity");
-        dw.dxfString(100, "AcDbCircle");
     }
     dw.entityAttributes(attrib);
+    if (version==DL_VERSION_2000)
+    {
+        dw.dxfString(100, "AcDbCircle");
+    }
     dw.coord(10, data.cx, data.cy, data.cz);
     dw.dxfReal(40, data.radius);
 }
@@ -2947,9 +2970,12 @@ void DL_Dxf::writeEllipse(DL_WriterA& dw,
         if (version==DL_VERSION_2000)
         {
             dw.dxfString(100, "AcDbEntity");
-            dw.dxfString(100, "AcDbEllipse");
         }
         dw.entityAttributes(attrib);
+        if (version==DL_VERSION_2000)
+        {
+            dw.dxfString(100, "AcDbEllipse");
+        }
         dw.coord(10, data.cx, data.cy, data.cz);
         dw.coord(11, data.mx, data.my, data.mz);
         dw.dxfReal(40, data.ratio);
@@ -2975,9 +3001,12 @@ void DL_Dxf::writeSolid(DL_WriterA& dw,
     if (version==DL_VERSION_2000)
     {
         dw.dxfString(100, "AcDbEntity");
-        dw.dxfString(100, "AcDbTrace");
     }
     dw.entityAttributes(attrib);
+    if (version==DL_VERSION_2000)
+    {
+        dw.dxfString(100, "AcDbTrace");
+    }
     dw.coord(10, data.x[0], data.y[0], data.z[0]);
     dw.coord(11, data.x[1], data.y[1], data.z[1]);
     dw.coord(12, data.x[2], data.y[2], data.z[2]);
@@ -3000,9 +3029,12 @@ void DL_Dxf::writeTrace(DL_WriterA& dw,
     if (version==DL_VERSION_2000)
     {
         dw.dxfString(100, "AcDbEntity");
-        dw.dxfString(100, "AcDbTrace");
     }
     dw.entityAttributes(attrib);
+    if (version==DL_VERSION_2000)
+    {
+        dw.dxfString(100, "AcDbTrace");
+    }
     dw.coord(10, data.x[0], data.y[0], data.z[0]);
     dw.coord(11, data.x[1], data.y[1], data.z[1]);
     dw.coord(12, data.x[2], data.y[2], data.z[2]);
@@ -3027,9 +3059,12 @@ void DL_Dxf::write3dFace(DL_WriterA& dw,
     if (version==DL_VERSION_2000)
     {
         dw.dxfString(100, "AcDbEntity");
-        dw.dxfString(100, "AcDbFace");
     }
     dw.entityAttributes(attrib);
+    if (version==DL_VERSION_2000)
+    {
+        dw.dxfString(100, "AcDbFace");
+    }
     dw.coord(10, data.x[0], data.y[0], data.z[0]);
     dw.coord(11, data.x[1], data.y[1], data.z[1]);
     dw.coord(12, data.x[2], data.y[2], data.z[2]);
@@ -3061,6 +3096,10 @@ void DL_Dxf::writeInsert(DL_WriterA& dw,
     if (version==DL_VERSION_2000)
     {
         dw.dxfString(100, "AcDbEntity");
+    }
+    dw.entityAttributes(attrib);
+    if (version==DL_VERSION_2000)
+    {
         if (data.cols!=1 || data.rows!=1)
         {
             dw.dxfString(100, "AcDbMInsertBlock");
@@ -3070,7 +3109,6 @@ void DL_Dxf::writeInsert(DL_WriterA& dw,
             dw.dxfString(100, "AcDbBlockReference");
         }
     }
-    dw.entityAttributes(attrib);
     dw.dxfString(2, data.name);
     dw.dxfReal(10, data.ipx);
     dw.dxfReal(20, data.ipy);
@@ -3115,9 +3153,12 @@ void DL_Dxf::writeMText(DL_WriterA& dw,
     if (version==DL_VERSION_2000)
     {
         dw.dxfString(100, "AcDbEntity");
-        dw.dxfString(100, "AcDbMText");
     }
     dw.entityAttributes(attrib);
+    if (version==DL_VERSION_2000)
+    {
+        dw.dxfString(100, "AcDbMText");
+    }
     dw.dxfReal(10, data.ipx);
     dw.dxfReal(20, data.ipy);
     dw.dxfReal(30, data.ipz);
@@ -3176,9 +3217,12 @@ void DL_Dxf::writeText(DL_WriterA& dw,
     if (version==DL_VERSION_2000)
     {
         dw.dxfString(100, "AcDbEntity");
-        dw.dxfString(100, "AcDbText");
     }
     dw.entityAttributes(attrib);
+    if (version==DL_VERSION_2000)
+    {
+        dw.dxfString(100, "AcDbText");
+    }
     dw.dxfReal(10, data.ipx);
     dw.dxfReal(20, data.ipy);
     dw.dxfReal(30, data.ipz);
@@ -3197,6 +3241,7 @@ void DL_Dxf::writeText(DL_WriterA& dw,
 
     if (version==DL_VERSION_2000)
     {
+        // required twice for some reason:
         dw.dxfString(100, "AcDbText");
     }
 
@@ -3212,9 +3257,12 @@ void DL_Dxf::writeAttribute(DL_WriterA& dw,
     if (version==DL_VERSION_2000)
     {
         dw.dxfString(100, "AcDbEntity");
-        dw.dxfString(100, "AcDbText");
     }
     dw.entityAttributes(attrib);
+    if (version==DL_VERSION_2000)
+    {
+        dw.dxfString(100, "AcDbText");
+    }
     dw.dxfReal(10, data.ipx);
     dw.dxfReal(20, data.ipy);
     dw.dxfReal(30, data.ipz);
@@ -3749,10 +3797,13 @@ void DL_Dxf::writeLeader(DL_WriterA& dw,
     if (version>DL_VERSION_R12)
     {
         dw.entity("LEADER");
-        dw.entityAttributes(attrib);
         if (version==DL_VERSION_2000)
         {
             dw.dxfString(100, "AcDbEntity");
+        }
+        dw.entityAttributes(attrib);
+        if (version==DL_VERSION_2000)
+        {
             dw.dxfString(100, "AcDbLeader");
         }
         dw.dxfString(3, "Standard");
@@ -3802,10 +3853,13 @@ void DL_Dxf::writeHatch1(DL_WriterA& dw,
 {
 
     dw.entity("HATCH");
-    dw.entityAttributes(attrib);
     if (version==DL_VERSION_2000)
     {
         dw.dxfString(100, "AcDbEntity");
+    }
+    dw.entityAttributes(attrib);
+    if (version==DL_VERSION_2000)
+    {
         dw.dxfString(100, "AcDbHatch");
     }
     dw.dxfReal(10, 0.0);             // elevation
@@ -4020,10 +4074,13 @@ int DL_Dxf::writeImage(DL_WriterA& dw,
 
     dw.entity("IMAGE");
 
-    dw.entityAttributes(attrib);
     if (version==DL_VERSION_2000)
     {
         dw.dxfString(100, "AcDbEntity");
+    }
+    dw.entityAttributes(attrib);
+    if (version==DL_VERSION_2000)
+    {
         dw.dxfString(100, "AcDbRasterImage");
         dw.dxfInt(90, 0);
     }
diff --git a/src/libs/vdxf/dxflib/dl_dxf.h b/src/libs/vdxf/dxflib/dl_dxf.h
index 5284544ab..9f5961902 100644
--- a/src/libs/vdxf/dxflib/dl_dxf.h
+++ b/src/libs/vdxf/dxflib/dl_dxf.h
@@ -414,6 +414,21 @@ public:
         return static_cast<int>(strtol(str.c_str(), &p, 10));
     }
 
+    int getInt16Value(int code, int def) 
+    {
+        if (!hasValue(code)) 
+        {
+            return def;
+        }
+        return toInt16(values[code]);
+    }
+
+    static int toInt16(const std::string& str) 
+    {
+        char* p;
+        return static_cast<int>(strtol(str.c_str(), &p, 16));
+    }
+
     static bool toBool(const std::string& str)
     {
         char* p;
diff --git a/src/libs/vdxf/dxflib/dl_entities.h b/src/libs/vdxf/dxflib/dl_entities.h
index b6d8e07c0..2c18dd136 100644
--- a/src/libs/vdxf/dxflib/dl_entities.h
+++ b/src/libs/vdxf/dxflib/dl_entities.h
@@ -390,10 +390,12 @@ struct DXFLIB_EXPORT DL_PolylineData
      * Constructor.
      * Parameters: see member variables.
      */
-    DL_PolylineData(int pNumber, int pMVerteces, int pNVerteces, int pFlags)
+    DL_PolylineData(int pNumber, int pMVerteces, int pNVerteces, int pFlags, double pElevation = 0.0)
         : number(static_cast<quint32>(pNumber)),
           m(static_cast<quint32>(pMVerteces)),
-          n(static_cast<quint32>(pNVerteces)), flags(pFlags)
+          n(static_cast<quint32>(pNVerteces)),
+          elevation(pElevation),
+          flags(pFlags)
     {
     }
 
@@ -406,6 +408,9 @@ struct DXFLIB_EXPORT DL_PolylineData
     /*! Number of vertices in n direction if polyline is a polygon mesh. */
     quint32 n;
 
+    /*! elevation of the polyline. */
+    double elevation;
+
     /*! Flags */
     int flags;
 };