diff --git a/StructureHelper/Windows/MainWindow/CrossSections/CrossSectionView.xaml b/StructureHelper/Windows/MainWindow/CrossSections/CrossSectionView.xaml
index 846c628..00f291f 100644
--- a/StructureHelper/Windows/MainWindow/CrossSections/CrossSectionView.xaml
+++ b/StructureHelper/Windows/MainWindow/CrossSections/CrossSectionView.xaml
@@ -15,7 +15,7 @@
         xmlns:sys="clr-namespace:System;assembly=mscorlib"
         mc:Ignorable="d"
         d:DataContext="{d:DesignInstance local:CrossSectionViewModel}"
-        Title="Cross-Section NDM Analysis" Height="700" Width="1000" MinHeight="400" MinWidth="600" WindowStartupLocation="CenterScreen">
+        Title="Cross-Section NDM Analysis" Height="700" Width="1100" MinHeight="400" MinWidth="600" WindowStartupLocation="CenterScreen">
     <Window.Resources>
         <DataTemplate DataType="{x:Type dataContexts:RectangleViewPrimitive}">
             <dataTemplates:RectangleTemplate/>
diff --git a/StructureHelperCommon/Models/Shapes/IPoint2DRange.cs b/StructureHelperCommon/Models/Shapes/IPoint2DRange.cs
new file mode 100644
index 0000000..ac0deea
--- /dev/null
+++ b/StructureHelperCommon/Models/Shapes/IPoint2DRange.cs
@@ -0,0 +1,15 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelperCommon.Models.Shapes
+{
+    public interface IPoint2DRange : ISaveable
+    {
+        IPoint2D StartPoint { get; set; }
+        IPoint2D EndPoint { get; set; }
+    }
+}
diff --git a/StructureHelperCommon/Models/Shapes/Logics/Polyline2DToLinePoligonConvertLogic.cs b/StructureHelperCommon/Models/Shapes/Logics/Polyline2DToLinePoligonConvertLogic.cs
index e17d50c..10c1bfc 100644
--- a/StructureHelperCommon/Models/Shapes/Logics/Polyline2DToLinePoligonConvertLogic.cs
+++ b/StructureHelperCommon/Models/Shapes/Logics/Polyline2DToLinePoligonConvertLogic.cs
@@ -74,7 +74,7 @@ namespace StructureHelperCommon.Models.Shapes
             // compute angle from each criterion
             double byAngle = options.AngleStepRadians;
             double byCount = arcAngle / options.SegmentCount;
-            double byLength = 2 * Math.Asin(options.MaxSegmentLength / (2 * radius));
+            double byLength = 2 * Math.Asin(options.MaxSegmentLength * metresToMillimeters / (2 * radius));
 
             return options.Mode switch
             {
diff --git a/StructureHelperCommon/Models/Shapes/Point2DRange.cs b/StructureHelperCommon/Models/Shapes/Point2DRange.cs
new file mode 100644
index 0000000..9cce473
--- /dev/null
+++ b/StructureHelperCommon/Models/Shapes/Point2DRange.cs
@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelperCommon.Models.Shapes
+{
+    public class Point2DRange : IPoint2DRange
+    {
+        public Guid Id { get; }
+        public IPoint2D StartPoint { get; set; } = new Point2D();
+        public IPoint2D EndPoint { get; set; } = new Point2D();
+
+        public Point2DRange(Guid id)
+        {
+            Id = id;
+        }
+    }
+}
diff --git a/StructureHelperCommon/Models/States/IStateCalcTermPair.cs b/StructureHelperCommon/Models/States/IStateCalcTermPair.cs
new file mode 100644
index 0000000..5bf6d37
--- /dev/null
+++ b/StructureHelperCommon/Models/States/IStateCalcTermPair.cs
@@ -0,0 +1,13 @@
+using StructureHelperCommon.Infrastructures.Enums;
+
+namespace StructureHelperCommon.Models.States
+{
+    /// <summary>
+    /// Implements pair of limit state and calculeation term
+    /// </summary>
+    public interface IStateCalcTermPair
+    {
+        LimitStates LimitState { get; set; }
+        CalcTerms CalcTerm { get; set; }
+    }
+}
diff --git a/StructureHelperCommon/Models/States/StateCalcTermPair.cs b/StructureHelperCommon/Models/States/StateCalcTermPair.cs
new file mode 100644
index 0000000..e673643
--- /dev/null
+++ b/StructureHelperCommon/Models/States/StateCalcTermPair.cs
@@ -0,0 +1,13 @@
+using StructureHelperCommon.Infrastructures.Enums;
+
+namespace StructureHelperCommon.Models.States
+{
+    /// <inheritdoc/>
+    public class StateCalcTermPair : IStateCalcTermPair
+    {
+        /// <inheritdoc/>
+        public LimitStates LimitState { get; set; }
+        /// <inheritdoc/>
+        public CalcTerms CalcTerm { get; set; }
+    }
+}
diff --git a/StructureHelperCommon/Models/States/StateCalcTermPairUpdateStrategy.cs b/StructureHelperCommon/Models/States/StateCalcTermPairUpdateStrategy.cs
new file mode 100644
index 0000000..e3cca49
--- /dev/null
+++ b/StructureHelperCommon/Models/States/StateCalcTermPairUpdateStrategy.cs
@@ -0,0 +1,22 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Services;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelperCommon.Models.States
+{
+    public class StateCalcTermPairUpdateStrategy : IUpdateStrategy<IStateCalcTermPair>
+    {
+        public void Update(IStateCalcTermPair targetObject, IStateCalcTermPair sourceObject)
+        {
+            CheckObject.IsNull(targetObject);
+            CheckObject.IsNull(sourceObject);
+            if (ReferenceEquals(targetObject, sourceObject)) { return; }
+            targetObject.LimitState = sourceObject.LimitState;
+            targetObject.CalcTerm = sourceObject.CalcTerm;
+        }
+    }
+}
diff --git a/StructureHelperLogics/NdmCalculations/Analyses/ByForces/ExtendedForceTupleResult.cs b/StructureHelperLogics/NdmCalculations/Analyses/ByForces/ExtendedForceTupleResult.cs
new file mode 100644
index 0000000..c24a4ec
--- /dev/null
+++ b/StructureHelperLogics/NdmCalculations/Analyses/ByForces/ExtendedForceTupleResult.cs
@@ -0,0 +1,10 @@
+using StructureHelperCommon.Models.States;
+
+namespace StructureHelperLogics.NdmCalculations.Analyses.ByForces
+{
+    public class ExtendedForceTupleResult : IExtendedForceTupleResult
+    {
+        public IStateCalcTermPair StateCalcTermPair { get; set; } = new StateCalcTermPair();
+        public IForcesTupleResult ForcesTupleResut { get; set; }
+    }
+}
diff --git a/StructureHelperLogics/NdmCalculations/Analyses/ByForces/ForceTupleCalculator.cs b/StructureHelperLogics/NdmCalculations/Analyses/ByForces/ForceTupleCalculator.cs
index b27cfe5..b43088d 100644
--- a/StructureHelperLogics/NdmCalculations/Analyses/ByForces/ForceTupleCalculator.cs
+++ b/StructureHelperLogics/NdmCalculations/Analyses/ByForces/ForceTupleCalculator.cs
@@ -60,6 +60,7 @@ namespace StructureHelperLogics.NdmCalculations.Analyses.ByForces
             {
                 IsValid = true,
                 Description = string.Empty,
+                InputData = InputData,
             };
         }
 
diff --git a/StructureHelperLogics/NdmCalculations/Analyses/ByForces/ForceTupleInputData.cs b/StructureHelperLogics/NdmCalculations/Analyses/ByForces/ForceTupleInputData.cs
index 3e45ad1..5ea5753 100644
--- a/StructureHelperLogics/NdmCalculations/Analyses/ByForces/ForceTupleInputData.cs
+++ b/StructureHelperLogics/NdmCalculations/Analyses/ByForces/ForceTupleInputData.cs
@@ -1,11 +1,6 @@
 using LoaderCalculator.Data.Ndms;
 using StructureHelperCommon.Models.Calculators;
 using StructureHelperCommon.Models.Forces;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace StructureHelperLogics.NdmCalculations.Analyses.ByForces
 {
diff --git a/StructureHelperLogics/NdmCalculations/Analyses/ByForces/ForcesTupleResult.cs b/StructureHelperLogics/NdmCalculations/Analyses/ByForces/ForcesTupleResult.cs
index 8c0fba2..6364792 100644
--- a/StructureHelperLogics/NdmCalculations/Analyses/ByForces/ForcesTupleResult.cs
+++ b/StructureHelperLogics/NdmCalculations/Analyses/ByForces/ForcesTupleResult.cs
@@ -22,6 +22,8 @@ namespace StructureHelperLogics.NdmCalculations.Analyses.ByForces
         /// </summary>
         public ILoaderResults LoaderResults { get; set; }
 
+        public IForceTupleInputData InputData { get; set; }
+
         public ForcesTupleResult()
         {
             DesignForceTuple = new DesignForceTuple();
diff --git a/StructureHelperLogics/NdmCalculations/Analyses/ByForces/IExtendedForceTupleResult.cs b/StructureHelperLogics/NdmCalculations/Analyses/ByForces/IExtendedForceTupleResult.cs
new file mode 100644
index 0000000..ea193fe
--- /dev/null
+++ b/StructureHelperLogics/NdmCalculations/Analyses/ByForces/IExtendedForceTupleResult.cs
@@ -0,0 +1,10 @@
+using StructureHelperCommon.Models.States;
+
+namespace StructureHelperLogics.NdmCalculations.Analyses.ByForces
+{
+    public interface IExtendedForceTupleResult
+    {
+        IStateCalcTermPair StateCalcTermPair { get; set; }
+        IForcesTupleResult ForcesTupleResut { get; set; }
+    }
+}
diff --git a/StructureHelperLogics/NdmCalculations/Analyses/ByForces/IForcesTupleResult.cs b/StructureHelperLogics/NdmCalculations/Analyses/ByForces/IForcesTupleResult.cs
index ecac0e1..53ecd15 100644
--- a/StructureHelperLogics/NdmCalculations/Analyses/ByForces/IForcesTupleResult.cs
+++ b/StructureHelperLogics/NdmCalculations/Analyses/ByForces/IForcesTupleResult.cs
@@ -6,6 +6,7 @@ namespace StructureHelperLogics.NdmCalculations.Analyses.ByForces
 {
     public interface IForcesTupleResult : IResult
     {
+        IForceTupleInputData InputData { get; set; }
         IDesignForceTuple DesignForceTuple { get; set; }
         ILoaderResults LoaderResults { get; set; }
     }
diff --git a/StructureHelperLogics/NdmCalculations/Analyses/ByForces/Logics/ForceTupleCalcLogic.cs b/StructureHelperLogics/NdmCalculations/Analyses/ByForces/Logics/ForceTupleCalcLogic.cs
index 3c375d2..df453b5 100644
--- a/StructureHelperLogics/NdmCalculations/Analyses/ByForces/Logics/ForceTupleCalcLogic.cs
+++ b/StructureHelperLogics/NdmCalculations/Analyses/ByForces/Logics/ForceTupleCalcLogic.cs
@@ -44,6 +44,7 @@ namespace StructureHelperLogics.NdmCalculations.Analyses.ByForces
             {
                 IsValid = true,
                 Description = string.Empty,
+                InputData = InputData,
             };
         }
 
diff --git a/StructureHelperLogics/NdmCalculations/Analyses/ValueDiagrams/IValueDiagramCalculator.cs b/StructureHelperLogics/NdmCalculations/Analyses/ValueDiagrams/IValueDiagramCalculator.cs
new file mode 100644
index 0000000..0d6d258
--- /dev/null
+++ b/StructureHelperLogics/NdmCalculations/Analyses/ValueDiagrams/IValueDiagramCalculator.cs
@@ -0,0 +1,14 @@
+using StructureHelperCommon.Models.Calculators;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelperLogics.NdmCalculations.Analyses.ValueDiagrams
+{
+    public interface IValueDiagramCalculator : ICalculator
+    {
+
+    }
+}
diff --git a/StructureHelperLogics/NdmCalculations/Analyses/ValueDiagrams/IValueDiagramCalculatorInputData.cs b/StructureHelperLogics/NdmCalculations/Analyses/ValueDiagrams/IValueDiagramCalculatorInputData.cs
new file mode 100644
index 0000000..cdf2b79
--- /dev/null
+++ b/StructureHelperLogics/NdmCalculations/Analyses/ValueDiagrams/IValueDiagramCalculatorInputData.cs
@@ -0,0 +1,20 @@
+using StructureHelperCommon.Infrastructures.Enums;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models.States;
+using StructureHelperLogics.NdmCalculations.Primitives;
+
+namespace StructureHelperLogics.NdmCalculations.Analyses.ValueDiagrams
+{
+    /// <summary>
+    /// Implements input data for Value diagram calculator
+    /// </summary>
+    public interface IValueDiagramCalculatorInputData : ISaveable, IHasForceActions, IHasPrimitives
+    {
+        IStateCalcTermPair StateTermPair { get; set; }
+        /// <summary>
+        /// Collection of diagram for calculation
+        /// </summary>
+        List<IValueDigram> Digrams { get; }
+        bool CheckStrainLimit { get; set; }
+    }
+}
diff --git a/StructureHelperLogics/NdmCalculations/Analyses/ValueDiagrams/IValueDiagramCalculatorResult.cs b/StructureHelperLogics/NdmCalculations/Analyses/ValueDiagrams/IValueDiagramCalculatorResult.cs
new file mode 100644
index 0000000..b01a40d
--- /dev/null
+++ b/StructureHelperLogics/NdmCalculations/Analyses/ValueDiagrams/IValueDiagramCalculatorResult.cs
@@ -0,0 +1,13 @@
+using StructureHelperCommon.Models.Calculators;
+using StructureHelperCommon.Models.Shapes;
+using StructureHelperLogics.NdmCalculations.Analyses.ByForces;
+
+namespace StructureHelperLogics.NdmCalculations.Analyses.ValueDiagrams
+{
+    public interface IValueDiagramCalculatorResult : IResult
+    {
+        IValueDiagramCalculatorInputData? InputData { get; set; }
+        List<IPoint2D> Points { get; set; }
+        List<IForcesTupleResult> ForceTupleResults { get; set; }
+    }
+}
diff --git a/StructureHelperLogics/NdmCalculations/Analyses/ValueDiagrams/IValueDigram.cs b/StructureHelperLogics/NdmCalculations/Analyses/ValueDiagrams/IValueDigram.cs
new file mode 100644
index 0000000..c784fd9
--- /dev/null
+++ b/StructureHelperLogics/NdmCalculations/Analyses/ValueDiagrams/IValueDigram.cs
@@ -0,0 +1,15 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models.Shapes;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelperLogics.NdmCalculations.Analyses.ValueDiagrams
+{
+    public interface IValueDigram : ISaveable
+    {
+        IPoint2DRange Point2DRange { get; }
+    }
+}
diff --git a/StructureHelperLogics/NdmCalculations/Analyses/ValueDiagrams/Logics/IValueDiagramCalculatorLogic.cs b/StructureHelperLogics/NdmCalculations/Analyses/ValueDiagrams/Logics/IValueDiagramCalculatorLogic.cs
new file mode 100644
index 0000000..6eb3b07
--- /dev/null
+++ b/StructureHelperLogics/NdmCalculations/Analyses/ValueDiagrams/Logics/IValueDiagramCalculatorLogic.cs
@@ -0,0 +1,16 @@
+
+using StructureHelperCommon.Infrastructures.Interfaces;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelperLogics.NdmCalculations.Analyses.ValueDiagrams
+{
+    public interface IValueDiagramCalculatorLogic : ILogic
+    {
+        IValueDiagramCalculatorInputData InputData { get; set; }
+        IValueDiagramCalculatorResult GetResult();
+    }
+}
diff --git a/StructureHelperLogics/NdmCalculations/Analyses/ValueDiagrams/Logics/ValueDiagramCalculatorLogic.cs b/StructureHelperLogics/NdmCalculations/Analyses/ValueDiagrams/Logics/ValueDiagramCalculatorLogic.cs
new file mode 100644
index 0000000..3113b0c
--- /dev/null
+++ b/StructureHelperLogics/NdmCalculations/Analyses/ValueDiagrams/Logics/ValueDiagramCalculatorLogic.cs
@@ -0,0 +1,74 @@
+using StructureHelperCommon.Infrastructures.Enums;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Calculators;
+using StructureHelperCommon.Models.Forces;
+using StructureHelperLogics.NdmCalculations.Analyses.ByForces;
+using StructureHelperLogics.Services.NdmPrimitives;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelperLogics.NdmCalculations.Analyses.ValueDiagrams
+{
+    public class ValueDiagramCalculatorLogic : IValueDiagramCalculatorLogic
+    {
+        private ITriangulatePrimitiveLogic triangulateLogic;
+
+        private IValueDiagramCalculatorResult result;
+        public IValueDiagramCalculatorInputData InputData { get; set; }
+        public IShiftTraceLogger? TraceLogger { get; set; }
+
+        public IValueDiagramCalculatorResult GetResult()
+        {
+            PrepareResult();
+            GetPoints();
+            CalculateTupleResults();
+            return result;
+        }
+
+        private void CalculateTupleResults()
+        {
+            triangulateLogic = new TriangulatePrimitiveLogic()
+            {
+                Primitives = InputData.Primitives,
+                LimitState = InputData.StateTermPair.LimitState,
+                CalcTerm = InputData.StateTermPair.CalcTerm,
+                TraceLogger = TraceLogger
+            };
+            var ndms = triangulateLogic.GetNdms();
+            foreach (var forceAction in InputData.ForceActions)
+            {
+                var combination = forceAction.GetCombinations();
+                List<IForceTuple> forceTuples = [];
+                foreach (var action in combination)
+                {
+                    var actionCombination = action
+                        .DesignForces
+                        .Where(x => x.LimitState == InputData.StateTermPair.LimitState && x.CalcTerm == InputData.StateTermPair.CalcTerm);
+                }
+                ForceTupleInputData forceTupleInputData = new()
+                {
+                    NdmCollection = ndms,
+                    Accuracy = new Accuracy(),
+                    CheckStrainLimit = true,
+
+                };
+            }
+        }
+
+        private void GetPoints()
+        {
+            throw new NotImplementedException();
+        }
+
+        private void PrepareResult()
+        {
+            result = new ValueDiagramCalculatorResult()
+            {
+                InputData = InputData,
+            };
+        }
+    }
+}
diff --git a/StructureHelperLogics/NdmCalculations/Analyses/ValueDiagrams/ValueDiagramCalculator.cs b/StructureHelperLogics/NdmCalculations/Analyses/ValueDiagrams/ValueDiagramCalculator.cs
new file mode 100644
index 0000000..c71ecfe
--- /dev/null
+++ b/StructureHelperLogics/NdmCalculations/Analyses/ValueDiagrams/ValueDiagramCalculator.cs
@@ -0,0 +1,38 @@
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Calculators;
+using StructureHelperLogics.NdmCalculations.Analyses.ByForces;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelperLogics.NdmCalculations.Analyses.ValueDiagrams
+{
+    public class ValueDiagramCalculator : IValueDiagramCalculator
+    {
+        public string Name { get; set; }
+        public bool ShowTraceData { get; set; }
+
+        public IResult Result => throw new NotImplementedException();
+
+        public IShiftTraceLogger? TraceLogger { get; set; }
+
+        public Guid Id { get; }
+
+        public ValueDiagramCalculator(Guid id)
+        {
+            Id = id;
+        }
+
+        public object Clone()
+        {
+            throw new NotImplementedException();
+        }
+
+        public void Run()
+        {
+            throw new NotImplementedException();
+        }
+    }
+}
diff --git a/StructureHelperLogics/NdmCalculations/Analyses/ValueDiagrams/ValueDiagramCalculatorInputData.cs b/StructureHelperLogics/NdmCalculations/Analyses/ValueDiagrams/ValueDiagramCalculatorInputData.cs
new file mode 100644
index 0000000..1abea78
--- /dev/null
+++ b/StructureHelperLogics/NdmCalculations/Analyses/ValueDiagrams/ValueDiagramCalculatorInputData.cs
@@ -0,0 +1,34 @@
+using StructureHelperCommon.Infrastructures.Enums;
+using StructureHelperCommon.Models.Forces;
+using StructureHelperCommon.Models.States;
+using StructureHelperLogics.NdmCalculations.Primitives;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelperLogics.NdmCalculations.Analyses.ValueDiagrams
+{
+    /// <inheritdoc/>
+    public class ValueDiagramCalculatorInputData : IValueDiagramCalculatorInputData
+    {
+        /// <inheritdoc/>
+        public Guid Id { get; }
+
+        /// <inheritdoc/>
+        public List<IValueDigram> Digrams { get; } = [];
+        /// <inheritdoc/>
+        public List<IForceAction> ForceActions { get; } = [];
+        /// <inheritdoc/>
+        public List<INdmPrimitive> Primitives { get; } = [];
+        public IStateCalcTermPair StateTermPair { get; set; } = new StateCalcTermPair() { LimitState = LimitStates.ULS, CalcTerm = CalcTerms.ShortTerm};
+        public bool CheckStrainLimit { get; set; } = true;
+
+        public ValueDiagramCalculatorInputData(Guid id)
+        {
+            Id = id;
+        }
+
+    }
+}
diff --git a/StructureHelperLogics/NdmCalculations/Analyses/ValueDiagrams/ValueDiagramCalculatorResult.cs b/StructureHelperLogics/NdmCalculations/Analyses/ValueDiagrams/ValueDiagramCalculatorResult.cs
new file mode 100644
index 0000000..4adaca9
--- /dev/null
+++ b/StructureHelperLogics/NdmCalculations/Analyses/ValueDiagrams/ValueDiagramCalculatorResult.cs
@@ -0,0 +1,17 @@
+using StructureHelperCommon.Models.Shapes;
+using StructureHelperLogics.NdmCalculations.Analyses.ByForces;
+
+namespace StructureHelperLogics.NdmCalculations.Analyses.ValueDiagrams
+{
+    public class ValueDiagramCalculatorResult : IValueDiagramCalculatorResult
+    {
+        public IValueDiagramCalculatorInputData? InputData { get; set; }
+
+        public List<IPoint2D> Points { get; set; } = [];
+
+        public List<IForcesTupleResult> ForceTupleResults { get; set; } = [];
+
+        public bool IsValid { get; set; } = true;
+        public string? Description { get; set; } = string.Empty;
+    }
+}
diff --git a/StructureHelperLogics/NdmCalculations/Primitives/Logics/GetPrimitivesByDxfEntities.cs b/StructureHelperLogics/NdmCalculations/Primitives/Logics/GetPrimitivesByDxfEntities.cs
index e913054..01f21f6 100644
--- a/StructureHelperLogics/NdmCalculations/Primitives/Logics/GetPrimitivesByDxfEntities.cs
+++ b/StructureHelperLogics/NdmCalculations/Primitives/Logics/GetPrimitivesByDxfEntities.cs
@@ -4,6 +4,7 @@ using StructureHelperCommon.Infrastructures.Exceptions;
 using StructureHelperCommon.Infrastructures.Interfaces;
 using StructureHelperCommon.Models.Shapes;
 using StructureHelperCommon.Services.Exports;
+using System.Runtime.CompilerServices;
 
 namespace StructureHelperLogics.NdmCalculations.Primitives
 {
@@ -35,7 +36,8 @@ namespace StructureHelperLogics.NdmCalculations.Primitives
                 }
                 else
                 {
-                    throw new StructureHelperException(ErrorStrings.ObjectTypeIsUnknownObj(dxfEntity));
+                    // just skip all types of primitives
+                    // throw new StructureHelperException(ErrorStrings.ObjectTypeIsUnknownObj(dxfEntity));
                 }
             }
         }