Lionel Polar Express Cross Track

This is a remix of [Brandon's](https://www.thingiverse.com/Brandon) awesome [Lionel Polar Express straight](https://www.thingiverse.com/thing:2004013) track.

Last year for Christmas I printed a heap of track to make my train travel a longer path. This year I wanted something different. So I took the straight track, rotated it by 90 degrees and smashed the two parts together and with a bit of editing to remove excess pieces, we now have a Cross Track.

I've tested this quite a bit over the p