Over 1.109.000 registered users (EN+CZ).
AutoCAD tips, Inventor tips, Revit tips, Civil tips, Fusion tips.
Try the updated Units converter and the new precise Engineering calculator.
New AutoCAD 2026 commands and sys.variables and env.variables,.
CAD tip # 4598:
Question
A
VIZrender (in ADT or Civil3D) can open only .DRF files. But the merge function (File > Merge...) supports also .MAX files from 3ds max and Autodesk VIZ.
ADT2006ADT2005Civil3DVIZ
24.8.2005
18236×
this tip shared by ARKANCE experts applies to: AutoCAD Architecture 2006 · AutoCAD Architecture 2005 · Civil 3D 3D · VIZ ·
![CAD Forum - tips, tricks, discussion and utilities for AutoCAD, Inventor, Revit and other Autodesk products [www.cadforum.cz] CAD Forum - tips, tricks, discussion and utilities for AutoCAD, Inventor, Revit and other Autodesk products [www.cadforum.cz]](../common/arkance_186.png)

