five screw puzzles by george hart —
Founded five screw puzzles by george hart models & stl files for printing
spool2kool
spool2kool
mrisco
Butterworth Design
FunFunBoy
Brett Casteel
chmeee
krmela
MixedGears
moebio
Predue89
TOASTYMO
Brauer
elark
max3d
moebio
spuder
spuder
rmpel
rayjizza