Stepstruder Mk7 adaptation to Cupcake CNC
by juanpablocanguro, published
This is my first print of the 3D Knot, and its being printed on my cupcake CNC which I adapted to run an Mk7 Stepstruder. It worked flawlessly at the first attempt, printing quality was improved a tenfold!
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This modification uses a Mk7 Stepstruder, a stepper driver and an extra microcontroller interface which monitors when the DC motor is supposed to be on and feeds the Stepper motor driver with a pulse train with constant frequency (customizable) so the stepper motor on the stepstruder can rotate. The whole modification is transparent for the ReplicatorG which still thinks there's a DC motor controlling the extrusion.
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