parametric wheel
thingiverse
Updated: The larger/newer files have a negative spehere on the outside to consume less plastic, and the shaft is modified to fit the pololu/solarbotics motors. Wheel script designed for a sumo bot. allows for a nut, set screw and a channel to access the set screw with a straight screwdriver. Parametric in many ways, needs some adjustment for smaller diameter than 30mm Instructions open with openscad, set the measurements in the beginning, compile and export.
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