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For folks with high horsepower street cars, the allure of a "clutchless" manual Lenco gearbox—and the cool-looking lightning-rod shifters—is pretty clear, but historically, the cost has been ...

Parol 6 is a 3D-printed six-axis robot arm created by [Petar Crnjak] as a combination of the principles from a few previous projects. Aside from a pneumatic gripper, each axis is driven by a stepper ...