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Lego gearmotor casing--revised

This is a case for a gearmotor, in two pieces, using the code from Klikini's

Comment out the top or bottom piece in the Openscad file, depending on which one you want to generate. The measurements fit my generic straight-line gearmotors; you may need to adjust for yours. The rectangular open-top holes in the bottom section are for the axles, the round ones are to give the electric motor a little air and let the wires out easily.

I've also included a connector that goes from the standard two-flat gearmotor axle to a cross-profile lego axle. Revised version has slightly more generous dimensions for the motor, smaller axle connectors.

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