By Brett Turnagewww.bti3dlabs.com@3dprintRaceTech**Articles** **3printr.com**https:www.3printr.com/40501-4740501/**3de**http:www.3de.org/articles/20160622-3d-print-your-very-own--lm-2014-audi-r18-e-tron-quattro-rc-racecar.html**Competitionx.com**http:www.