3d printing in this case would be faster than manually using a milling machine. cnc could work though. I thought it would be more of a "this is clever" though i

3d printing in this case would be faster than manually using a milling machine. cnc could work though. I thought it would be more of a "this is clever" though i can't imagine charging more than $1-2/block and no clue if anyone would pay that. I haven't bought a lego in 20 years.