Do these exist somewhere? I’d be thrilled if they existed and were available for software other than Inventor.
IDK, but your best choice would to dial up Pitsco for a second and ask.
36 Tetrix models are posted in www.3dcontentcentral.com. Keyword Tetrix.
You can get them in SolidWorks, Pro|E, Autocad and 30 other file formats.