This is an awesome resource to bookmark for Tips and Tricks for all Autodesk Products especially AutoCAD and Autodesk Inventor. They are also very knowledgable and helpful people located in the Czech Republic.
The Link from CAD Studio's CadForum.cz:
http://www.cadforum.cz/cadforum_en/default.asp?tab=2
Cheers,
-Shaan
