RC cars are the gateway that got many of us to where we are today. Hobby-level cars have all the same systems as real cars. Turning wrenches on one of these, either as a kid or adult, scratches ...

[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.