[Michael Rectin] is in on the action, and he’s been exploring how to 3D print a decent set of tires to help his RC car reach higher speeds mph. His first efforts involved experiments with TPU.

If we told you somebody built a 3D printed go-kart ... The first step was to purchase a basic RC car frame to serve as the basis for the kart. [3D Sanago] then set about building a kart skeleton ...