Imagine not paying thousands for a crumby, burnt-looking 3D print out of a part. These guys over in Russia have done it.
(This page shows you) “How to make a 3D-printer for your home lab with $340 cnc kit and some junk. It uses cheapest plastic waste or powder paint as raw material to produce freeform models from STL files. Also there are links to original open-source 3D model file reader and step motor control application.” Make