LEGO DUPLO train Flatcar Heavy hauler Schnabel car
18.9.2018 new reinforced version added. It is called V2. There are internal structures to make it more stiff. It is optimized for wall thickness 1,2 mm. Infill can stay as 15 percent
Double undercarriage flatcar for heavy hauls or oversized loads
print space needed 239 mm
Undercarriage parts: https://www.thingiverse.com/thing:2411945
How i print it:
base: 15 percent infil, supports
swivel: 100 percent infil, supports