Custom Gravitrax Flip

I tried to build a Flip. I uploaded a fusion360 archive as well as a step-file for easier remakes.

2020-12-01 I think I solved the issue with the trigger. All files are updated.
New Video: https://youtu.be/BnqLPbZoCTA

I used a rubber band as a spring.
Here is a Video:
https://youtu.be/uoF3RVJJ6QE
greets paede

I printed everything without support exept for the "bahnteil".

I used the ring of someone else and cut it in two halves.