I 3D Printed My Own Lego Train Bridge

I've always wanted to do bridges with my Lego train sets, but I've never appreciated the handful of solutions on offer. I decided to see if I could 3D print my own bridge tracks from scratch. It actually turned out to be pretty easy! Step 1 was just recreating the rail and track coupler geometry from a diagram on L-Gauge. From there I designed a simple arch-supported bridge in Fusion 360, set at a grade of 10 degrees. This would ultimately prove to be a little steep, and I didn't do a great...