TomI finally had some time to modify the design to be 3D printed. Here is the first part that is being printed right now. This piece holds the stepper motors and bearings. More to come....
3D Printed Parts
A project log for Cable Robot
Using low cost parts to construct a cable robot with incredible capabilities.
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Or just cool the motor... it's amazing what a CPU heatsink / fan will do to cool a stepper motor.
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Stepper motors get hot. I'd suggest printing in a higher temp material (e.g. ABS (cough) or whatever) or possibly leaving room for a thermal isolation layer. e.g. wool or fiberglass or whatever between the motor and plastic.
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