It becomes harder and harder to blow my birthday candles, here comes the hand cranked blower !
If you want to see me in training :
4 shapes for the blades: straight, involute, forward and backward.
1 crank turn gives a bit more than 36 fan turns with default settings.
September, 8 2013
Joined .stl are for M8 nuts, "Open in Customizer" for other sizes.
Inspired by Vik Olliver's Forge Blower but not derived from it.