Why Your STEP-Imported Models Break DXF Export From Drawings (And How to Fix It Before Export)
The DXF comes back from the shop and half the edges are gone. The drawing view looks correct on screen, the Save As DXF runs without errors, but the file a laser cutter opens has a rectangle where there used to be a contoured profile. If this part started life as a STEP import, the chain of failures is almost always the same, and the root cause is not in the DXF export — it’s in the imported body. ...