Spacers for IKEA wooden train railways.
If you connect correct all railways parts you don't need this but sometimes you want to be creative and feels lack of these spacers =).
P.S. You can also found other my wooden train designs here: https://www.printables.com/@KDima_195732/collections/615094
Category: Construction Toys
The user re-uploaded this model. The user is not the original author of the model. Imported from Thingiverse.