Tell us about yourself!
The fan is just being used as a conveniently shaped, and readily available, motor. The blades aren't important to this.
Screen Printing: Cheap, Dirty, and At Home
Build a 4 Color T-Shirt Printing Press
Basic machining information/textbooks
Guitar Tube Pre Amp
How to build Halo Armor
Advanced Soldering: Fast and Easy Soldering of Surface Mount Components
Fart Operated Random Channel TV Remote
Build an analog vocoder
Cheap USB Simultaneous Multitrack Recording
Ultra quick resin cast parts
Mouse for people with hand disabilities