[Allted] has designed a CNC machine that you can print yourself; adding conduit, bearings, and the standard vitamins to bring it to life. The CNC machine uses a mechanical design similar to an etch-a-sketch, though instead of the maze of pulleys and cable it uses four stepper motors to do the X and Y translation. The machine looks to be about as accurate as a Shapeoko, and is able to handle light cutting in aluminum.
The coolest part is the extensibility of the printer. For example, [Allted] needed to print a lot of parts to make orders of the kit. So, he built a 4 headed 3D printer by copying blocks of the design, and tying them all to the same belt. The design also seems to be a little more resistant to dust and debris than some homemade rigs. The CNC won the Boca Bearings design competition. If you’d like to build one yourself, [Allted] has all the instructions with print setting recommendations on his website.
Filed under: cnc hacks
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