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3D chocolate printer made from LEGO

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Step 3: Drill and reem the bore hole for the worm screw.

I can't remember the diameter, but it was a close tolerance fit for the lego worm gear (close to 1/2in) Nice thing about lego is that it is super high tolerance!
 
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Dude5674 years ago
Where did you get your lego worm gears
bricklink.com
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