Z-Index was added

StructureHelperLogics/NdmCalculations/Primitives/INdmPrimitive.cs

@@ -0,0 +1,17 @@
+using StructureHelperLogics.Models.Materials;
+using StructureHelperCommon.Models.Shapes;
+
+namespace StructureHelperLogics.Models.Primitives
+{
+    public interface INdmPrimitive
+    {
+        ICenter Center { get; set; }
+        IShape Shape { get; set; }
+        IPrimitiveMaterial PrimitiveMaterial {get;set;}
+        double NdmMaxSize { get; set; }
+        int NdmMinDivision { get; set; }
+        double PrestrainKx { get; set; }
+        double PrestrainKy { get; set; }
+        double PrestrainEpsZ { get; set; }
+    }
+}