Where might I find some free 3D HVAC parts for a school project

[QUOTE=Castor63]Where might I find some free 3D HVAC parts for a school project[/QUOTE]



 
I just added a few for download in the blocks.
MECHANICAL>SHEETMETAL
 
Were you in need of a particular configuration?
I added a roof jack, plenum, square to round transition, 90° elbow and more!
 
Hope it helps.
 
October 23rd, 2009 was my 62nd B-Day.
 Tankman2010-04-16 18:56:43