Civil Autocad 2d Drawing Link [portable] -

Attaching standard AutoCAD 2D entities to Civil 3D BIM data using Property Set Definitions.

Check INSUNITS in both files; ensure both are explicitly set to the same unit type (e.g., Inches vs. Feet). Hardware acceleration or proxy objects. civil autocad 2d drawing link

: Never overwrite your live production model with a 2D exported file. Attaching standard AutoCAD 2D entities to Civil 3D