Duplo curved track improved

thingiverse

The new version ran smoothly except for a few minor adjustments: I had to narrow down the ring width and, more critically, the connector holes were difficult to use with standard tracks. I enlarged them (thus exposing the interior of the rail itself) and replaced the circles with ellipses, ensuring a better margin when connecting with other rails. Other than that, the original design was excellent! Thanks for providing the sources, which made the modifications quite straightforward.