BTTB magnetic coupling TT gauge (scale 1:120)
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Need magnetic couplers and have BTTB rolling stock? This project is for you!
I use 2mm diameter and 2mm thick neodymium magnets. They provide a near-perfect connection between the wagons and with the locomotive – even on steep grades. The design is universal – it can be used for passenger cars, freight cars, and locomotives.
Attaching the neodymium magnets doesn't require glue. However, if for some reason you need to glue them, use a small amount of cyanoacrylate glue.
21.01.2026 UPDATE:
- added second STL file with the thinner part entering the wagon
Boost Me (for free)
I'm a beginner designer. Boosting my project lets me know you really like my work. It also gives me a lot of positive energy to develop my skills. So, if you can, please consider boosting my design.
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