CNC (Computer Numerical Control or computer controlled machines) are on the rise. Mainly (self-built) 3D printers are extremely popular. This group contains various mechanics, controllers and accessories to build your own CNC system.
Andre KosterVentilator 40x20mm 24V 2pin - glijlagerDimensions are fine, cools well, therefore makes a bit of noise. Good material with print connector. Plug in and turn.