I found some interesting transparent yellow filament on Amazon from a company named Hatchbox 3D. Results were great at about ~220 degrees with a 40% infill.
It certainly is bright and happy!
I think that I’ll ditch the green I was going to use…
I decided to change how the spare tire is attached… it takes just a single screw instead of two. So, this picture is out-dated.
You could add some LEDs behinds the tail lights, since they pass-through to the inside of the body.
Same setup as the other cars: Fitech servos (continuous rotation) as rear-wheel drive and one micro-servo up-front for steering.
[ Tinkercad: Jeepsie! ]