If it meets the guidelines, this might make a good "Show HN" post.<p>Show HN guidelines: <a href="https://news.ycombinator.com/showhn.html" rel="nofollow">https://news.ycombinator.com/showhn.html</a>
I would be hesitant to launch a marketplace for 3D models when the only thing available to buy is a gun. There's the potential for bad PR, attracting a bad crowd, and causing issues with getting and retaining a payment processor.