I recently announced on my youtube channel that I plan to build a to scale model of the locomotive from Back to the Future 3. As of right now the only progress I've made is extending the tracks a bit to start making room for it. Next week should have the first section I managed to design in place. I'll be posting links to each update video as I make them. Here is this week's link https://www.youtube.com/watch?v=2yzGyl6A3a0