parametric ducted fan and or lego compatible gearshaft —

Founded parametric ducted fan and or lego compatible gearshaft models & stl files for printing
2X2 lego brick
PoliPili
2X3 lego brick
PoliPili
2X4 lego brick
PoliPili
2x4 lego brick
JuliCai
Lego Man 15
_Building_Arts_