I liked this locomotive design, so I upscaled it to fit on regular Brio track and replaced the lower part to use M3 bolts or 3mm rod for axles.
I also added my wheels design (fancy and non-fancy).
Remixed from: https://www.thingiverse.com/thing:960822
Print Rite DIY
Printed in PLA.
Only Slic3r could slice my fancy wheels properly without losing details.
Wheels resolution 0.1
M3 bolts 10 mm long secured in place with super glue.
2x 3mm rods 30 mm long
For magnet connection between wagons I suggest
checking solution from this design:
I play with electronics, kids toys, replacement parts, puzzles,...