AutoCAD 2010 Tips and Tricks

you can see features ,tips and tricks :
* user interface
* Geometric Constraints
* Dimensional Constrain
* Dynamic Block Improvements
* 3D free-form Design
* 3D Printing
and More ..........
please Visite : http://adskmedia.com/autocad_2010/

you Can also download your trial Product from : http://usa.autodesk.com/adsk/servlet/oc/offer/form?siteID=123112&id=12609559