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convert polylines to 3d polylines without creating a surface - Autodesk Community
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Autocad Tutorial: How to convert 3D polyline to 2d polyline | Autocad Tutorial: How to convert 3D polyline to 2d polyline https://youtu.be/KWtFq1Tf3cY | By NobleArch+ | Facebook
AutoCAD Civil 3D How To Convert A 3D Polyline To A 2D Polyline - YouTube
CAD Forum - How to convert a 2D polyline to 3D or vice-versa?
Autocad Tutorial : How to convert 3D polyline to 2d polyline - YouTube
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Autocad Tutorial : How to convert 3D polyline to 2d polyline - YouTube
Splines, Polylines and 3D Polylines | Bricsys Blog
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Civil 3D 2013: 2D and 3D Polyline Conversion | Ideate Inc
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