In a clear, concise Instructable, Almus Yang has provided the instructions for making your own insanely cheap 3D printer for under $200. With a list of mechanical parts needed, as well as a laser cutter, you can follow his directions for putting together the Tower Simple XL 3D printer, with parts for laser cutting available on Thingiverse. Check out more details on his process in the full story: http://3dprint.com/62095/tower-xl-3d-printer-200/


Below is a photo of his 3D printer: