<snip> 2nd edit: after messing around I've found there is no way to upload the specific file type to this forum, and hiding it as a picture doesn't work either. Did you try uploading it in a zip file? I'm going to attempt to upload an image of one I just designed. The fan disc is 2.5" in radiu...

I actually had something 3D printed from some website I would have to dig a URL up for. The thing had a rough finish, but there is an option to have it smoothed out for a little extra money. Also, there is an option to either have it hollowed out to save plastic (and money) or you can get it solid-f...