Some wooden toy railways set (e.g. Thomas, Brio) has joins cut out from the same pieces as the track itself. In a certain configuration they can't be joined because the same joins facing to each other. So here is the symmetrical joins track. I've designed parts for both type of joins.
TrackInnerJoint.stl | 65.3KB | |
TrackOuterJoint.stl | 55.9KB |