This is a 2 lane Modular Ramp set for Tamiya Mini 4wd. It is designed to be printed on a 250mm cubic 3d printer. All files required are included. The track sections are designed to be 250mm long for the first 3 sections then 150mm for the last section. there are also track files that are slightly shorter if you want to use the track elements in the lower section. This track follows the rules for Tamiya mini4wd track, and is compatible with other mini4wd track I have designed.