Udate 26.12.2018: New supportless version aded
Update 28.6.2017: Coupling adjusted with bigger clearance
Update: track gauge was completely wrong, now it should be OK. Coupling was widened and splines were redesigned
Quick design for straight double lenght.
Old version has NO DUPLO shapes on botom, so it doesnt fit on DUPLO bricks!!!!
Print space needed is 281 mm. To be printed with supports
CAD files provided, feel free to use and modificate them.
designed in Kubotek KeyCreator