It’s why desktop 3D printers are such a powerful tool ... But for the d.i.d, a standard SG90 servo is used to lift up the arm that the pen is attached to. A small piece of elastic puts tension ...
The robot, named Mechpen, and pronounced “McPen”, is of a SCARA (Selective Compliance Assembly Robot Arm ... loaded pen. The solution: use a bed-leveling algorithm designed for 3D printers.
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