customisable bookbinding awl insert 20mm spacing default openscad —

Founded customisable bookbinding awl insert 20mm spacing default openscad models & stl files for printing
Snap clamp
kdtop3
Parametric Clamp
pgreenland
Iris Box v3
emmett
20mm Plastic TSlot
ProtoParadigm
Iron Boss
Udos3DWorld