My friend told me his kid lost one of the trestles to his magic Tracks set. I took measurements and made a (darn close) copy of it. Its the dark gray one in the picture. I didn't put the round nubs on the top of the trestle since it should hold the track anyway.

Creality

CR10S PRO

No

Doesn't Matter

0.2

20% with 100% for the very top

I created this as two separate parts so you don't have to use supports. I also included a single model to use if you want to use supports.