diff --git a/ExportDXF/Forms/MainForm.cs b/ExportDXF/Forms/MainForm.cs
index 793d2be..d58ed5f 100644
--- a/ExportDXF/Forms/MainForm.cs
+++ b/ExportDXF/Forms/MainForm.cs
@@ -530,6 +530,8 @@ namespace ExportDXF.Forms
                 if (templateDrawing == null)
                     templateDrawing = CreateDrawing();
 
+                Helper.UncheckFlatPatternCornerTreatment(partModel);
+
                 var sheet = templateDrawing.IGetCurrentSheet();
                 var modelName = Path.GetFileNameWithoutExtension(partModel.GetPathName());
                 sheet.SetName(modelName);
diff --git a/ExportDXF/Helper.cs b/ExportDXF/Helper.cs
index 3fefd7f..adf98c4 100644
--- a/ExportDXF/Helper.cs
+++ b/ExportDXF/Helper.cs
@@ -1,4 +1,7 @@
-namespace ExportDXF
+using SolidWorks.Interop.sldworks;
+using System.Diagnostics;
+
+namespace ExportDXF
 {
     public static class Helper
     {
@@ -17,5 +20,16 @@
                 default: return i.ToString() + "th";
             }
         }
+
+        public static void UncheckFlatPatternCornerTreatment(ModelDoc2 model)
+        {
+            var flatPattern = model.GetFeatureByTypeName("FlatPattern");
+            var flatPatternFeatureData = flatPattern.GetDefinition() as FlatPatternFeatureData;
+
+            flatPatternFeatureData.CornerTreatment = false;
+            flatPatternFeatureData.SimplifyBends = false;
+
+            var ret = flatPattern.ModifyDefinition(flatPatternFeatureData, model, null);
+        }
     }
 }
\ No newline at end of file
diff --git a/ExportDXF/Properties/Resources.Designer.cs b/ExportDXF/Properties/Resources.Designer.cs
index 8a74000..b9d9b62 100644
--- a/ExportDXF/Properties/Resources.Designer.cs
+++ b/ExportDXF/Properties/Resources.Designer.cs
@@ -19,7 +19,7 @@ namespace ExportDXF.Properties {
     // class via a tool like ResGen or Visual Studio.
     // To add or remove a member, edit your .ResX file then rerun ResGen
     // with the /str option, or rebuild your VS project.
-    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "16.0.0.0")]
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "17.0.0.0")]
     [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
     internal class Resources {
diff --git a/ExportDXF/Properties/Settings.Designer.cs b/ExportDXF/Properties/Settings.Designer.cs
index 0d01f56..9590b08 100644
--- a/ExportDXF/Properties/Settings.Designer.cs
+++ b/ExportDXF/Properties/Settings.Designer.cs
@@ -12,7 +12,7 @@ namespace ExportDXF.Properties {
     
     
     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
-    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "16.4.0.0")]
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "17.5.0.0")]
     internal sealed partial class Settings : global::System.Configuration.ApplicationSettingsBase {
         
         private static Settings defaultInstance = ((Settings)(global::System.Configuration.ApplicationSettingsBase.Synchronized(new Settings())));