spin compass —

Founded spin compass models & stl files for printing
Functional Bicycle
thomasgivan
Big CD Windmill
Mongrel
Vortex Z Knob
Q-Vision
wind gauge
stumphopper
The Beest
EvenErichsen
Flying propeller toy
Harald Andersson
GoldenGears GT2 Belt Tensioner
TommasoEngineering
Indexing Gear
Jon-A-Tron
KACA 03
martin_zampach