Рефакторинг, добавление моделей примитивов

StructureHelperLogics/Models/NdmPrimitives/IPrimitive.cs

@@ -1,15 +1,10 @@
 using StructureHelperLogics.Data.Shapes;
 using StructureHelperLogics.NdmCalculations.Entities;
-using System;
-using System.Collections.Generic;
-using System.Text;
 
 namespace StructureHelperLogics.Models.NdmPrimitives
 {
-    public interface IPrimitive
+    public interface IPrimitive : ICenterShape
     {
-        ICenter Center { get;}
-        IShape Shape { get;}
         INdmPrimitive GetNdmPrimitive();
     }
 }