Trailer for Playmobil Pick Up Truck (full 3d-printed)

Trailer for PLAYMOBIL Family Fun 71038

v14 - first release, the trailer can have issues;
Part b needs supports;

Printer settings:
Wall Ordering: Outside to Inside (for precise tread and axle);
No suppurts;
No adhesion (skirt).

Assembling
v17:
First assembling with the water, use the coin to turn the rim in the tire;
v20:
The hole in the rid is larger for less friction.