[Chaz] also printed a large gear to go around the bowl, a small gear to attach to a six RPM motor, a motor mount for the bowl, and an air blade attachment for a portable Ryobi fan. The air blade ...

Being able to print out custom gears is one area where 3D printing can really shine, and [Karl Lew] has been busy doing exactly that with pinion gears printed in PLA and mounted to stepper motor ...