Mad a light bar that will actually fit a truck. bolts directly to the roof of a axial wraith but will fit many different scale trucks. I printed the bar in PLA and the mounts in TPU.
both in TPU would probably be better. I used a standard led strip. you have to get creative with the soldering iron to get all the leds to light up because you have to cut in a weird place to fit.but it can be done simply by tracing a ground or positive depending on the leds to complete the circuit. you may have to widen the hole for wires to fit.

Anet A8

No

No

0.2

You can print with pretty much whatever setting you like.
bar PLA/TPU
mounts definately TPU