Summary

3D-printable parts:
ROAD_TRAIN_ASM - DXL Dummy.stl
ROAD_TRAIN_ASM - PCB Support.stl
ROAD_TRAIN_ASM - Tail Joint 1.stl
ROAD_TRAIN_ASM - Tail Joint 2.stl
ROAD_TRAIN_ASM - WAFFLE PLATE.stl
ROAD_TRAIN_ASM - Wheel.stl
ROAD_TRAIN_ASM - Wheel Joint Holder.stl

Non-3D-printable parts:
ROAD_TRAIN_ASM - TIRE.stl
ROAD_TRAIN_ASM - XM430.stl