To my mind, if the belt-to-ground didn't have the "glitch" that enables this design, this discussion would be taking a very different direction. I think that the design of games should be based on the premise that there aren't weird glitches and unintended behaviour. I also think that tyin...

what about keeping items\belts as sprites and rest as 3D? I think that for belts and things on belts you'd use objects with single surfaces, which are basically the 3D-engine equivalent of sprites. I have no idea of how well this would perform but they would be about as simple as 3D objects can be ...

For your future reference, on Mac OS (and any other UNIX derived OS), "~" refers to the user's home directory.