That's a interesting design for sure. Also, cheap as dirt. Archive: https://archive.today/GiJrn From the post: >>[Pete] had a friend who would powder coat metal parts for him, but when he needed 16 metal parts coated, he decided he needed to develop a way to do it himself. Some research turned up the fluid bed method and he decided to go that route. He 3D printed a holder and you can see how it all turned out in the video below.