3d printed rpm meter with arduino —

Founded 3d printed rpm meter with arduino models & stl files for printing
Ball joint chain
henryseg
Polygonal torus
henryseg
Eight cubes
henryseg
Klein quartic
henryseg
Trefoil knot
henryseg
Saddle frame
henryseg
Helicoid frame
henryseg
arduino mega
chamox
Board with Arduino
Tactical_Dev