How to:
- goto https://www.turbosquid.com/de/Search/Index.cfm?max_poly=0.05K&max_price=0&media_typeid=2&min_poly=0K&min_price=0
- select a low polygon size (e.g. 50)
- download (e.g. as ".fbx")
- download viewer: https://www.open3mod.com/
- open .fbx
- export as .assxml (without texture, without animations, without scene hierarchy)
you can also use this tool:
https://cadexchanger.com/downloads
to convert other formats into fbx / obj