RAPID + TCT Event News HRE’s second-generation 3D-printed titanium wheels are still cool and complex By Andrew Krok, Roadshow HRE builds some amazing aftermarket wheels, and last year, the company blew minds when it unveiled a set of concept wheels made from 3D-printed titanium. Now, HRE is back at it with a second-generation wheel that, almost magically, found plenty of room for improvement. HRE on Tuesday unveiled the second-generation HRE3D+ set of wheels.