A fully 3D printable, open-source construction system!
kbricks Parts Set
tractor
24 Parts
axle ring
axle4
axle7
beam3 peg pos1
bevel gear 90deg
bevel gear 90deg-short
connector long
connector short
cube L
cube basic
cube smooth
Cube-1hole
Cube-1hole-open
gear rack6
gear-1
peg
pegplate3x1 rounded
+ 7 More Parts