DesignSpark Mechanical: Free and Easy 3D Modeling for All Engineers
Early comments cite familiarity with SketchUp software operation and a link to SpaceClaim 3D modeling software.
I really love SketchUp but its great to see other options out there. Athol Phillips of www.iRender.co.za in South Africa the Southern African agent for SketchUp gave me this link to ask for an opinion. Looks good so far!
See on www.engineering.com