diff --git a/Infrastructure/UI/DataContexts/Ellipse.cs b/Infrastructure/UI/DataContexts/Ellipse.cs
index 79e9eb6..6f969a5 100644
--- a/Infrastructure/UI/DataContexts/Ellipse.cs
+++ b/Infrastructure/UI/DataContexts/Ellipse.cs
@@ -1,7 +1,11 @@
 using System;
 using System.Windows.Media;
 using StructureHelper.Infrastructure.Enums;
+using StructureHelper.Models.Materials;
 using StructureHelper.Windows.MainWindow;
+using StructureHelperLogics.Data.Shapes;
+using StructureHelperLogics.NdmCalculations.Entities;
+using StructureHelperLogics.NdmCalculations.Materials;
 
 namespace StructureHelper.Infrastructure.UI.DataContexts
 {
@@ -26,5 +30,19 @@ namespace StructureHelper.Infrastructure.UI.DataContexts
             ShowedX = 0;
             ShowedY = 0;
         }
+
+        public override INdmPrimitive GetNdmPrimitive()
+        {
+            double strength = 0;
+            double centerX = 0;
+            double centerY = 0;
+            double area = 0;
+            string materialName = "s400";
+            ICenter center = new Center() { X = centerX, Y = centerY };
+            IShape shape = new Point() { Area = area };
+            IPrimitiveMaterial primitiveMaterial = new PrimitiveMaterial() { MaterialType = GetMaterialTypes(), ClassName = materialName, Strength = strength }; ;
+            INdmPrimitive ndmPrimitive = new NdmPrimitive() { Center = center, Shape = shape, PrimitiveMaterial = primitiveMaterial };
+            return ndmPrimitive;
+        }
     }
 }
diff --git a/Infrastructure/UI/DataContexts/PrimitiveBase.cs b/Infrastructure/UI/DataContexts/PrimitiveBase.cs
index 88acc99..7a1711d 100644
--- a/Infrastructure/UI/DataContexts/PrimitiveBase.cs
+++ b/Infrastructure/UI/DataContexts/PrimitiveBase.cs
@@ -4,6 +4,8 @@ using System.Windows.Media;
 using StructureHelper.Infrastructure.Enums;
 using StructureHelper.Models.Materials;
 using StructureHelper.Windows.MainWindow;
+using StructureHelperLogics.NdmCalculations.Entities;
+using StructureHelperLogics.NdmCalculations.Materials;
 
 namespace StructureHelper.Infrastructure.UI.DataContexts
 {
@@ -254,5 +256,15 @@ namespace StructureHelper.Infrastructure.UI.DataContexts
             if (Type == PrimitiveType.Rectangle) Y = -showedY + Xy1 - PrimitiveHeight;
             if (Type == PrimitiveType.Ellipse) Y = -showedY + Xy1 - PrimitiveWidth / 2;
         }
+
+        public abstract INdmPrimitive GetNdmPrimitive();
+        public MaterialTypes GetMaterialTypes()
+        {
+            MaterialTypes materialTypes;
+            if (Material is ConcreteDefinition) { materialTypes = MaterialTypes.Concrete; }
+            else if (Material is RebarDefinition) { materialTypes = MaterialTypes.Reinforcement; }
+            else { throw new Exception("MaterialType is unknown"); }
+            return materialTypes;
+        }
     }
 }
diff --git a/Infrastructure/UI/DataContexts/Rectangle.cs b/Infrastructure/UI/DataContexts/Rectangle.cs
index 3847e3a..732eb8d 100644
--- a/Infrastructure/UI/DataContexts/Rectangle.cs
+++ b/Infrastructure/UI/DataContexts/Rectangle.cs
@@ -3,6 +3,9 @@ using System.Windows.Input;
 using System.Windows.Media;
 using StructureHelper.Infrastructure.Enums;
 using StructureHelper.Windows.MainWindow;
+using StructureHelperLogics.Data.Shapes;
+using StructureHelperLogics.NdmCalculations.Entities;
+using StructureHelperLogics.NdmCalculations.Materials;
 
 namespace StructureHelper.Infrastructure.UI.DataContexts
 {
@@ -15,5 +18,20 @@ namespace StructureHelper.Infrastructure.UI.DataContexts
             ShowedX = 0;
             ShowedY = 0;
         }
+
+        public override INdmPrimitive GetNdmPrimitive()
+        {
+            double strength = 0;
+            double centerX = 0;
+            double centerY = 0;
+            string materialName = "C20";
+            ICenter center = new Center() { X = centerX, Y = centerY };
+            double height = 0;
+            double width = 0;
+            IShape shape = new StructureHelperLogics.Data.Shapes.Rectangle() { Height = height, Width = width, Angle = 0 };
+            IPrimitiveMaterial primitiveMaterial = new PrimitiveMaterial() { MaterialType = GetMaterialTypes(), ClassName = materialName, Strength = strength }; ;
+            INdmPrimitive ndmPrimitive = new NdmPrimitive() { Center = center, Shape = shape, PrimitiveMaterial = primitiveMaterial };
+            return ndmPrimitive;
+        }
     }
 }
diff --git a/StructureHelper.csproj b/StructureHelper.csproj
index bc8d12c..a53a43f 100644
--- a/StructureHelper.csproj
+++ b/StructureHelper.csproj
@@ -157,5 +157,11 @@
   <ItemGroup>
     <Folder Include="Logics\" />
   </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="StructureHelperLogics\StructureHelperLogics.csproj">
+      <Project>{330BEF5B-15BE-4D2C-A750-B1AE50FB2BE3}</Project>
+      <Name>StructureHelperLogics</Name>
+    </ProjectReference>
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
 </Project>
\ No newline at end of file