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Carve 2.5D shapes out of foam with this Arduino-controlled hot wire cutter
You may have a 3D printer or other “digital” tools like a laser engraver or CNC router, but what if you want to work with Styrofoam? As How To Mechatronics demonstrates in his latest project, many of the same techniques used there can be implemented to make your own Arduino-powered hot wire cutter.
This build is constructed with 20x20mm aluminum extrusion and 3D-printed parts, and uses an Uno board and CNC shield to drive three stepper motors. Two of these motors manipulate the wire in the horizontal and vertical directions, while the third controls a turntable that rotates the foam as needed.