Steam engine for wooden track
thingiverse
No supports needed. Can be assembled without any screw if printed tightly enough (works well as-is with my 0.6mm nozzle, for 0.4 it may need some horizontal expansion adjustments in slicer) or can be fitted together using 2 screws. Regarding magnets, it's fully up to you: you can use a magnet with the hole inside and screw it, or you can stick it with glue. Both options were tested and work well.
Download Model from thingiverse
With this file you will be able to print Steam engine for wooden track with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Steam engine for wooden track.