أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
2D - DXF, DWG both Autodesk AUTOCAD formats.
PDF, TIFF are very widely used. 2D data is typically detail drawings, but might actually be operable geometry, such as a sheet metal flat pattern.
3D - IGES and STEP,
..............Of course DWG
Agree with my Mentor. Mr Yaquob.
dwg, however you can convert these files into pdf's a specially when you send them via email
DWG
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dwg files, you can also save your AutoCad files in a plt format
dwg......................................................................................