There’s a certain class of parts that just can’t be made on a standard 3-axis mill, nor with a 3D printer or a lathe. These parts — weird screws, camshafts, strange gears, or simply a shaft with a ...

As the art of tattoos has evolved, so have the machines designed to turn ink into living art. The process requires reciprocating needles that repeatedly penetrate the dermal skin at a high rate of ...