diff --git a/src/app/tools/drawTools/vabstractspline.h b/src/app/tools/drawTools/vabstractspline.h
index d89d179f1..5a8e83568 100644
--- a/src/app/tools/drawTools/vabstractspline.h
+++ b/src/app/tools/drawTools/vabstractspline.h
@@ -90,6 +90,41 @@ protected:
     virtual void     mouseReleaseEvent ( QGraphicsSceneMouseEvent * event );
     QPainterPath     ToolPath(PathDirection direction = PathDirection::Hide) const;
     virtual void     ReadToolAttributes(const QDomElement &domElement);
+
+    template <typename T>
+    void ShowToolVisualization(bool show)
+    {
+        if (show)
+        {
+            if (vis == nullptr)
+            {
+                AddVisualization<T>();
+                SetVisualization();
+            }
+            else
+            {
+                if (T *visual = qobject_cast<T *>(vis))
+                {
+                    visual->show();
+                }
+            }
+        }
+        else
+        {
+            delete vis;
+            vis = nullptr;
+        }
+
+        if (detailsMode)
+        {
+            ShowHandles(detailsMode);
+        }
+        else
+        {
+            ShowHandles(show);
+        }
+    }
+
 private:
     Q_DISABLE_COPY(VAbstractSpline)
 };
diff --git a/src/app/tools/drawTools/vtoolalongline.cpp b/src/app/tools/drawTools/vtoolalongline.cpp
index 808de858b..347745d38 100644
--- a/src/app/tools/drawTools/vtoolalongline.cpp
+++ b/src/app/tools/drawTools/vtoolalongline.cpp
@@ -190,26 +190,7 @@ void VToolAlongLine::SetSecondPointId(const quint32 &value)
 //---------------------------------------------------------------------------------------------------------------------
 void VToolAlongLine::ShowVisualization(bool show)
 {
-    if (show)
-    {
-        if (vis == nullptr)
-        {
-            AddVisualization<VisToolAlongLine>();
-            SetVisualization();
-        }
-        else
-        {
-            if (VisToolAlongLine * visual = qobject_cast<VisToolAlongLine *>(vis))
-            {
-                visual->show();
-            }
-        }
-    }
-    else
-    {
-        delete vis;
-        vis = nullptr;
-    }
+    ShowToolVisualization<VisToolAlongLine>(show);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
diff --git a/src/app/tools/drawTools/vtoolarc.cpp b/src/app/tools/drawTools/vtoolarc.cpp
index 9946bcf0a..4a7a48c5c 100644
--- a/src/app/tools/drawTools/vtoolarc.cpp
+++ b/src/app/tools/drawTools/vtoolarc.cpp
@@ -288,26 +288,7 @@ void VToolArc::SetFormulaF2(const VFormula &value)
 //---------------------------------------------------------------------------------------------------------------------
 void VToolArc::ShowVisualization(bool show)
 {
-    if (show)
-    {
-        if (vis == nullptr)
-        {
-            AddVisualization<VisToolArc>();
-            SetVisualization();
-        }
-        else
-        {
-            if (VisToolArc *visual = qobject_cast<VisToolArc *>(vis))
-            {
-                visual->show();
-            }
-        }
-    }
-    else
-    {
-        delete vis;
-        vis = nullptr;
-    }
+    ShowToolVisualization<VisToolArc>(show);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
diff --git a/src/app/tools/drawTools/vtoolbisector.cpp b/src/app/tools/drawTools/vtoolbisector.cpp
index bde8cbcc7..e3db54b55 100644
--- a/src/app/tools/drawTools/vtoolbisector.cpp
+++ b/src/app/tools/drawTools/vtoolbisector.cpp
@@ -359,26 +359,7 @@ void VToolBisector::SetThirdPointId(const quint32 &value)
 //---------------------------------------------------------------------------------------------------------------------
 void VToolBisector::ShowVisualization(bool show)
 {
-    if (show)
-    {
-        if (vis == nullptr)
-        {
-            AddVisualization<VisToolBisector>();
-            SetVisualization();
-        }
-        else
-        {
-            if (VisToolBisector *visual = qobject_cast<VisToolBisector *>(vis))
-            {
-                visual->show();
-            }
-        }
-    }
-    else
-    {
-        delete vis;
-        vis = nullptr;
-    }
+    ShowToolVisualization<VisToolBisector>(show);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
diff --git a/src/app/tools/drawTools/vtoolcurveintersectaxis.cpp b/src/app/tools/drawTools/vtoolcurveintersectaxis.cpp
index 1e4cdb7ae..c0d771cf7 100644
--- a/src/app/tools/drawTools/vtoolcurveintersectaxis.cpp
+++ b/src/app/tools/drawTools/vtoolcurveintersectaxis.cpp
@@ -222,26 +222,7 @@ void VToolCurveIntersectAxis::setCurveId(const quint32 &value)
 //---------------------------------------------------------------------------------------------------------------------
 void VToolCurveIntersectAxis::ShowVisualization(bool show)
 {
-    if (show)
-    {
-        if (vis == nullptr)
-        {
-            AddVisualization<VisToolCurveIntersectAxis>();
-            SetVisualization();
-        }
-        else
-        {
-            if (VisToolCurveIntersectAxis *visual = qobject_cast<VisToolCurveIntersectAxis *>(vis))
-            {
-                visual->show();
-            }
-        }
-    }
-    else
-    {
-        delete vis;
-        vis = nullptr;
-    }
+    ShowToolVisualization<VisToolCurveIntersectAxis>(show);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
diff --git a/src/app/tools/drawTools/vtoolcut.h b/src/app/tools/drawTools/vtoolcut.h
index 79d48cd76..ba2c10717 100644
--- a/src/app/tools/drawTools/vtoolcut.h
+++ b/src/app/tools/drawTools/vtoolcut.h
@@ -31,6 +31,7 @@
 
 #include "vtoolpoint.h"
 #include "../../visualization/vsimplecurve.h"
+#include "vabstractspline.h"
 
 class VFormula;
 
@@ -76,6 +77,42 @@ protected:
     void          RefreshGeometry();
     virtual void  RemoveReferens();
     void          FullUpdateCurveFromFile(const QString &attrCurve);
+
+    template <typename T>
+    void ShowToolVisualization(bool show)
+    {
+        if (show)
+        {
+            if (vis == nullptr)
+            {
+                AddVisualization<T>();
+                SetVisualization();
+            }
+            else
+            {
+                if (T *visual = qobject_cast<T *>(vis))
+                {
+                    visual->show();
+                }
+            }
+        }
+        else
+        {
+            delete vis;
+            vis = nullptr;
+        }
+        if (VAbstractSpline *parentCurve = qobject_cast<VAbstractSpline *>(doc->getTool(curveCutId)))
+        {
+            if (detailsMode)
+            {
+                parentCurve->ShowHandles(detailsMode);
+            }
+            else
+            {
+                parentCurve->ShowHandles(show);
+            }
+        }
+    }
 private:
     Q_DISABLE_COPY(VToolCut)
 };
diff --git a/src/app/tools/drawTools/vtoolcutarc.cpp b/src/app/tools/drawTools/vtoolcutarc.cpp
index 2864d14a5..2cabd8d88 100644
--- a/src/app/tools/drawTools/vtoolcutarc.cpp
+++ b/src/app/tools/drawTools/vtoolcutarc.cpp
@@ -187,26 +187,7 @@ VToolCutArc* VToolCutArc::Create(const quint32 _id, const QString &pointName, QS
 //---------------------------------------------------------------------------------------------------------------------
 void VToolCutArc::ShowVisualization(bool show)
 {
-    if (show)
-    {
-        if (vis == nullptr)
-        {
-            AddVisualization<VisToolCutArc>();
-            SetVisualization();
-        }
-        else
-        {
-            if (VisToolCutArc *visual = qobject_cast<VisToolCutArc *>(vis))
-            {
-                visual->show();
-            }
-        }
-    }
-    else
-    {
-        delete vis;
-        vis = nullptr;
-    }
+    ShowToolVisualization<VisToolCutArc>(show);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
diff --git a/src/app/tools/drawTools/vtoolcutspline.cpp b/src/app/tools/drawTools/vtoolcutspline.cpp
index 36f3d8f17..e2f51df25 100644
--- a/src/app/tools/drawTools/vtoolcutspline.cpp
+++ b/src/app/tools/drawTools/vtoolcutspline.cpp
@@ -31,7 +31,6 @@
 #include "../../dialogs/tools/dialogcutspline.h"
 #include "../../libs/vgeometry/vpointf.h"
 #include "../../visualization/vistoolcutspline.h"
-#include "vabstractspline.h"
 #include "../../libs/vgeometry/vspline.h"
 
 const QString VToolCutSpline::ToolType   = QStringLiteral("cutSpline");
@@ -197,37 +196,7 @@ VToolCutSpline* VToolCutSpline::Create(const quint32 _id, const QString &pointNa
 //---------------------------------------------------------------------------------------------------------------------
 void VToolCutSpline::ShowVisualization(bool show)
 {
-    if (show)
-    {
-        if (vis == nullptr)
-        {
-            AddVisualization<VisToolCutSpline>();
-            SetVisualization();
-        }
-        else
-        {
-            if (VisToolCutSpline * visual = qobject_cast<VisToolCutSpline *>(vis))
-            {
-                visual->show();
-            }
-        }
-    }
-    else
-    {
-        delete vis;
-        vis = nullptr;
-    }
-    if (VAbstractSpline *parentCurve = qobject_cast<VAbstractSpline *>(doc->getTool(curveCutId)))
-    {
-        if (detailsMode)
-        {
-            parentCurve->ShowHandles(detailsMode);
-        }
-        else
-        {
-            parentCurve->ShowHandles(show);
-        }
-    }
+    ShowToolVisualization<VisToolCutSpline>(show);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
diff --git a/src/app/tools/drawTools/vtoolcutsplinepath.cpp b/src/app/tools/drawTools/vtoolcutsplinepath.cpp
index a81f9c3eb..e2ed31a38 100644
--- a/src/app/tools/drawTools/vtoolcutsplinepath.cpp
+++ b/src/app/tools/drawTools/vtoolcutsplinepath.cpp
@@ -31,7 +31,6 @@
 #include "../../dialogs/tools/dialogcutsplinepath.h"
 #include "../../libs/vgeometry/vpointf.h"
 #include "../../visualization/vistoolcutsplinepath.h"
-#include "vabstractspline.h"
 #include "../../libs/vgeometry/vsplinepath.h"
 
 const QString VToolCutSplinePath::ToolType       = QStringLiteral("cutSplinePath");
@@ -241,37 +240,7 @@ VToolCutSplinePath* VToolCutSplinePath::Create(const quint32 _id, const QString
 //---------------------------------------------------------------------------------------------------------------------
 void VToolCutSplinePath::ShowVisualization(bool show)
 {
-    if (show)
-    {
-        if (vis == nullptr)
-        {
-            AddVisualization<VisToolCutSplinePath>();
-            SetVisualization();
-        }
-        else
-        {
-            if (VisToolCutSplinePath *visual = qobject_cast<VisToolCutSplinePath *>(vis))
-            {
-                visual->show();
-            }
-        }
-    }
-    else
-    {
-        delete vis;
-        vis = nullptr;
-    }
-    if (VAbstractSpline *parentCurve = qobject_cast<VAbstractSpline *>(doc->getTool(curveCutId)))
-    {
-        if (detailsMode)
-        {
-            parentCurve->ShowHandles(detailsMode);
-        }
-        else
-        {
-            parentCurve->ShowHandles(show);
-        }
-    }
+    ShowToolVisualization<VisToolCutSplinePath>(show);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
diff --git a/src/app/tools/drawTools/vtoolendline.cpp b/src/app/tools/drawTools/vtoolendline.cpp
index b5b9d11ae..eb6ef2a8c 100644
--- a/src/app/tools/drawTools/vtoolendline.cpp
+++ b/src/app/tools/drawTools/vtoolendline.cpp
@@ -289,24 +289,5 @@ void VToolEndLine::SetFormulaAngle(const VFormula &value)
 //---------------------------------------------------------------------------------------------------------------------
 void VToolEndLine::ShowVisualization(bool show)
 {
-    if (show)
-    {
-        if (vis == nullptr)
-        {
-            AddVisualization<VisToolEndLine>();
-            SetVisualization();
-        }
-        else
-        {
-            if (VisToolEndLine *visual = qobject_cast<VisToolEndLine *>(vis))
-            {
-                visual->show();
-            }
-        }
-    }
-    else
-    {
-        delete vis;
-        vis = nullptr;
-    }
+    ShowToolVisualization<VisToolEndLine>(show);
 }
diff --git a/src/app/tools/drawTools/vtoolheight.cpp b/src/app/tools/drawTools/vtoolheight.cpp
index 12467fc75..58178eb85 100644
--- a/src/app/tools/drawTools/vtoolheight.cpp
+++ b/src/app/tools/drawTools/vtoolheight.cpp
@@ -293,26 +293,7 @@ void VToolHeight::SetP2LineId(const quint32 &value)
 //---------------------------------------------------------------------------------------------------------------------
 void VToolHeight::ShowVisualization(bool show)
 {
-    if (show)
-    {
-        if (vis == nullptr)
-        {
-            AddVisualization<VisToolHeight>();
-            SetVisualization();
-        }
-        else
-        {
-            if (VisToolHeight *visual = qobject_cast<VisToolHeight *>(vis))
-            {
-                visual->show();
-            }
-        }
-    }
-    else
-    {
-        delete vis;
-        vis = nullptr;
-    }
+    ShowToolVisualization<VisToolHeight>(show);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
diff --git a/src/app/tools/drawTools/vtoollineintersect.cpp b/src/app/tools/drawTools/vtoollineintersect.cpp
index b3b2bc39b..ae064c7e8 100644
--- a/src/app/tools/drawTools/vtoollineintersect.cpp
+++ b/src/app/tools/drawTools/vtoollineintersect.cpp
@@ -311,26 +311,7 @@ void VToolLineIntersect::SetP2Line2(const quint32 &value)
 //---------------------------------------------------------------------------------------------------------------------
 void VToolLineIntersect::ShowVisualization(bool show)
 {
-    if (show)
-    {
-        if (vis == nullptr)
-        {
-            AddVisualization<VisToolLineIntersect>();
-            SetVisualization();
-        }
-        else
-        {
-            if (VisToolLineIntersect *visual = qobject_cast<VisToolLineIntersect *>(vis))
-            {
-                visual->show();
-            }
-        }
-    }
-    else
-    {
-        delete vis;
-        vis = nullptr;
-    }
+    ShowToolVisualization<VisToolLineIntersect>(show);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
diff --git a/src/app/tools/drawTools/vtoollineintersectaxis.cpp b/src/app/tools/drawTools/vtoollineintersectaxis.cpp
index 4c333577e..4e0052943 100644
--- a/src/app/tools/drawTools/vtoollineintersectaxis.cpp
+++ b/src/app/tools/drawTools/vtoollineintersectaxis.cpp
@@ -234,26 +234,7 @@ void VToolLineIntersectAxis::SetSecondPointId(const quint32 &value)
 //---------------------------------------------------------------------------------------------------------------------
 void VToolLineIntersectAxis::ShowVisualization(bool show)
 {
-    if (show)
-    {
-        if (vis == nullptr)
-        {
-            AddVisualization<VisToolLineIntersectAxis>();
-            SetVisualization();
-        }
-        else
-        {
-            if (VisToolLineIntersectAxis *visual = qobject_cast<VisToolLineIntersectAxis *>(vis))
-            {
-                visual->show();
-            }
-        }
-    }
-    else
-    {
-        delete vis;
-        vis = nullptr;
-    }
+    ShowToolVisualization<VisToolLineIntersectAxis>(show);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
diff --git a/src/app/tools/drawTools/vtoolnormal.cpp b/src/app/tools/drawTools/vtoolnormal.cpp
index 68d30e1e2..2646ec444 100644
--- a/src/app/tools/drawTools/vtoolnormal.cpp
+++ b/src/app/tools/drawTools/vtoolnormal.cpp
@@ -326,24 +326,5 @@ void VToolNormal::SetSecondPointId(const quint32 &value)
 //---------------------------------------------------------------------------------------------------------------------
 void VToolNormal::ShowVisualization(bool show)
 {
-    if (show)
-    {
-        if (vis == nullptr)
-        {
-            AddVisualization<VisToolNormal>();
-            SetVisualization();
-        }
-        else
-        {
-            if (VisToolNormal *visual = qobject_cast<VisToolNormal *>(vis))
-            {
-                visual->show();
-            }
-        }
-    }
-    else
-    {
-        delete vis;
-        vis = nullptr;
-    }
+    ShowToolVisualization<VisToolNormal>(show);
 }
diff --git a/src/app/tools/drawTools/vtoolpoint.h b/src/app/tools/drawTools/vtoolpoint.h
index 5ae150ac0..60ccb84c8 100644
--- a/src/app/tools/drawTools/vtoolpoint.h
+++ b/src/app/tools/drawTools/vtoolpoint.h
@@ -79,6 +79,31 @@ protected:
     virtual QVariant        itemChange ( GraphicsItemChange change, const QVariant &value );
     virtual void            keyReleaseEvent(QKeyEvent * event);
     virtual void            contextMenuEvent ( QGraphicsSceneContextMenuEvent * event );
+
+    template <typename T>
+    void ShowToolVisualization(bool show)
+    {
+        if (show)
+        {
+            if (vis == nullptr)
+            {
+                AddVisualization<T>();
+                SetVisualization();
+            }
+            else
+            {
+                if (T *visual = qobject_cast<T *>(vis))
+                {
+                    visual->show();
+                }
+            }
+        }
+        else
+        {
+            delete vis;
+            vis = nullptr;
+        }
+    }
 private:
     Q_DISABLE_COPY(VToolPoint)
 };
diff --git a/src/app/tools/drawTools/vtoolpointofcontact.cpp b/src/app/tools/drawTools/vtoolpointofcontact.cpp
index 4c6e6a1c5..c0606cdb1 100644
--- a/src/app/tools/drawTools/vtoolpointofcontact.cpp
+++ b/src/app/tools/drawTools/vtoolpointofcontact.cpp
@@ -357,26 +357,7 @@ void VToolPointOfContact::SetSecondPointId(const quint32 &value)
 //---------------------------------------------------------------------------------------------------------------------
 void VToolPointOfContact::ShowVisualization(bool show)
 {
-    if (show)
-    {
-        if (vis == nullptr)
-        {
-            AddVisualization<VisToolPointOfContact>();
-            SetVisualization();
-        }
-        else
-        {
-            if (VisToolPointOfContact *visual = qobject_cast<VisToolPointOfContact *>(vis))
-            {
-                visual->show();
-            }
-        }
-    }
-    else
-    {
-        delete vis;
-        vis = nullptr;
-    }
+    ShowToolVisualization<VisToolPointOfContact>(show);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
diff --git a/src/app/tools/drawTools/vtoolpointofintersection.cpp b/src/app/tools/drawTools/vtoolpointofintersection.cpp
index 1cfb3506e..0ce44d59e 100644
--- a/src/app/tools/drawTools/vtoolpointofintersection.cpp
+++ b/src/app/tools/drawTools/vtoolpointofintersection.cpp
@@ -262,26 +262,7 @@ void VToolPointOfIntersection::SetSecondPointId(const quint32 &value)
 //---------------------------------------------------------------------------------------------------------------------
 void VToolPointOfIntersection::ShowVisualization(bool show)
 {
-    if (show)
-    {
-        if (vis == nullptr)
-        {
-            AddVisualization<VisToolPointOfIntersection>();
-            SetVisualization();
-        }
-        else
-        {
-            if (VisToolPointOfIntersection *visual = qobject_cast<VisToolPointOfIntersection *>(vis))
-            {
-                visual->show();
-            }
-        }
-    }
-    else
-    {
-        delete vis;
-        vis = nullptr;
-    }
+    ShowToolVisualization<VisToolPointOfIntersection>(show);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
diff --git a/src/app/tools/drawTools/vtoolshoulderpoint.cpp b/src/app/tools/drawTools/vtoolshoulderpoint.cpp
index e37d560f0..12ccaee99 100644
--- a/src/app/tools/drawTools/vtoolshoulderpoint.cpp
+++ b/src/app/tools/drawTools/vtoolshoulderpoint.cpp
@@ -355,26 +355,7 @@ void VToolShoulderPoint::setPShoulder(const quint32 &value)
 //---------------------------------------------------------------------------------------------------------------------
 void VToolShoulderPoint::ShowVisualization(bool show)
 {
-    if (show)
-    {
-        if (vis == nullptr)
-        {
-            AddVisualization<VisToolShoulderPoint>();
-            SetVisualization();
-        }
-        else
-        {
-            if (VisToolShoulderPoint *visual = qobject_cast<VisToolShoulderPoint *>(vis))
-            {
-                visual->show();
-            }
-        }
-    }
-    else
-    {
-        delete vis;
-        vis = nullptr;
-    }
+    ShowToolVisualization<VisToolShoulderPoint>(show);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
diff --git a/src/app/tools/drawTools/vtoolspline.cpp b/src/app/tools/drawTools/vtoolspline.cpp
index d36e8e828..15a319149 100644
--- a/src/app/tools/drawTools/vtoolspline.cpp
+++ b/src/app/tools/drawTools/vtoolspline.cpp
@@ -232,35 +232,7 @@ void VToolSpline::setSpline(const VSpline &spl)
 //---------------------------------------------------------------------------------------------------------------------
 void VToolSpline::ShowVisualization(bool show)
 {
-    if (show)
-    {
-        if (vis == nullptr)
-        {
-            AddVisualization<VisToolSpline>();
-            SetVisualization();
-        }
-        else
-        {
-            if (VisToolSpline *visual = qobject_cast<VisToolSpline *>(vis))
-            {
-                visual->show();
-            }
-        }
-    }
-    else
-    {
-        delete vis;
-        vis = nullptr;
-    }
-
-    if (detailsMode)
-    {
-        ShowHandles(detailsMode);
-    }
-    else
-    {
-        ShowHandles(show);
-    }
+    ShowToolVisualization<VisToolSpline>(show);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
diff --git a/src/app/tools/drawTools/vtoolsplinepath.cpp b/src/app/tools/drawTools/vtoolsplinepath.cpp
index b45a2a8d9..54c4f061c 100644
--- a/src/app/tools/drawTools/vtoolsplinepath.cpp
+++ b/src/app/tools/drawTools/vtoolsplinepath.cpp
@@ -313,35 +313,7 @@ void VToolSplinePath::setSplinePath(const VSplinePath &splPath)
 //---------------------------------------------------------------------------------------------------------------------
 void VToolSplinePath::ShowVisualization(bool show)
 {
-    if (show)
-    {
-        if (vis == nullptr)
-        {
-            AddVisualization<VisToolSplinePath>();
-            SetVisualization();
-        }
-        else
-        {
-            if (VisToolSplinePath *visual = qobject_cast<VisToolSplinePath *>(vis))
-            {
-                visual->show();
-            }
-        }
-    }
-    else
-    {
-        delete vis;
-        vis = nullptr;
-    }
-
-    if (detailsMode)
-    {
-        ShowHandles(detailsMode);
-    }
-    else
-    {
-        ShowHandles(show);
-    }
+    ShowToolVisualization<VisToolSplinePath>(show);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
diff --git a/src/app/tools/drawTools/vtooltriangle.cpp b/src/app/tools/drawTools/vtooltriangle.cpp
index 7b7579e7b..16f6a98a2 100644
--- a/src/app/tools/drawTools/vtooltriangle.cpp
+++ b/src/app/tools/drawTools/vtooltriangle.cpp
@@ -327,26 +327,7 @@ void VToolTriangle::SetSecondPointId(const quint32 &value)
 //---------------------------------------------------------------------------------------------------------------------
 void VToolTriangle::ShowVisualization(bool show)
 {
-    if (show)
-    {
-        if (vis == nullptr)
-        {
-            AddVisualization<VisToolTriangle>();
-            SetVisualization();
-        }
-        else
-        {
-            if (VisToolTriangle * visual = qobject_cast<VisToolTriangle *>(vis))
-            {
-                visual->show();
-            }
-        }
-    }
-    else
-    {
-        delete vis;
-        vis = nullptr;
-    }
+    ShowToolVisualization<VisToolTriangle>(show);
 }
 
 //---------------------------------------------------------------------------------------------------------------------