Thumb Driven Heart Gear Box
thingiverse
Don't have a strong enough motor to spin your new heart gear model? Make this quick fix. It prints in about 4 hours time and pieces together like a snap! Instructions Print Install Thumb Gear into clips on the Cylindrical Base Install Differential Gear to shaft of original Heart Gears model thru the lid Place lid onto base while shifting the Thumb Gear so the Differential Gear fits into position.
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