A free sample of the track set that is currently on Kickstarter bei DasTri. If that campaign succeeds, the standard tracks will be free here (or rather, pay what you want). The other gauge sets: Russian/CSA, India, Cape, 600mm will be available as sets here.
This file represents a Standard Gauge, 1435mm, scaled in 1:100. Naturally this can be scaled to any other size, though at 1:35 you may find... [click here for more]