When the crank handle on [Eric Strebel]’s cheapo drill press broke in two, did he design and print a replacement? Nah. He kicked it old school and cast a new one in urethane resin. In his newest ...

He recently embarked on a series of experiments to see how fast he can spin a 3D-printed gearbox ... accomplished with a 3D-printed handle, similar to a hand crank used to start really old ...