I have double checked the part, it loads as a solidworks part in solidworks and if I generate the step file from the website and try to use it in Alti...

As in title, there is error while import a STEP file to Altium Designer 10 footprint model.

I also run that CAD package. The problem is the translation engine Altium uses.

Importing this drawing in Altium Designer 14 as a step file failed. Messege: Cannot load 3D model from file!