I have to say this is a pretty cool build. The authors took an old CDROM, projector, and some legos to build a small cheap resin 3D printer. Would I do this? Nah…too much work/time and I don’t have the right projector, but…its a promise that resin based printers could be coming soon on the cheap.
http://www.instructables.com/id/Chimera-60-DLP-resin-3d-printer/?ALLSTEPS