The file 'MERCEDES Keychain Created In PARTsolutions 3D Printer Model' is (STL,stp) file type, size is 278.8KB.
http://b2b.partcommunity.com/community/partcloud/index#!part?name=MERCEDES+Keychain&model_id=821
With all parametrics:http://b2b.partcommunity.com/portal/portal/b2b/CAD+CATALOGS