Download: free
Website: Printables
Tags:
buildingtoys, engineering,
Download: free
Website: Cults
Download: free
Website: MyMiniFactory
Tags:
ultimaker, 3d printing, autodesk, fusion360, tutorial, pla spring motor,
Download: free
Website: Thingiverse
Tags:
duplo, duplo compatible, duplo train, electric, engine, gears,
Download: free
Website: Printables
Download: free
Website: Thingiverse
Download: free
Website: Thingiverse
Tags:
baby, electrical, train,
Download: free
Website: Thingiverse
Download: for sale
Website: pinshape
Download: free
Website: Thingiverse