To get you going, here are some parts of common 3D Printers which think need to find cost-saving solutions. Threaded rod is probably the cheapest way to move your XYZ axis. What about couplings ...
The main materials used for MPD 3D printing are ABS and PLA plastics. These cost around $40 for a 2.2-pound roll. As a frame of reference, MakerBot claims that one roll provides enough material to ...
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