There has been a NIH 3D model database,but it has become unreliable already for orange reasons. Besides that there aren't many options beside manifold or plainly hosting your own site (which is not that hard tbh, but makes it hard for others to find,though)
this post was submitted on 27 Feb 2025
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Your only options are all part of for profit ventures. My Mini Factory, Cults, Thangs, etc... etc... etc... The ones subsidized by printer manufacturers are where free models are most likely to be found and are best of the sites.
If you are really concerned you can read their terms of service to be sure what rights you retain. My money is on Prusa having the best terms.
You can host your own with Manyfold @[email protected]
Cool, another service I didn't know I definitely need
Nice, didn't know that existed
Prusa being "for profit" isn't the same as the term implies.
They are very much a socialistic company. Pretty much, their business model is open source.
I think they are the winning choice in the same way that Valve's Steam wins the game store/manager market.
Prusa has given back as much as they have made.
They used to be. As of the Mk4 and XL they no longer share a lot of their designs, and the source is also closed.
Very sad to see.