Quoted from lyonsden:No Good Gofers:
LEDs on ramps are facing towards the middle of the playfield rather than into the ramps (ramps are colored translucent plastic and would filter the colors too much). This has the advantage of brightening the playfield when playing.
Code is available (open source): https://github.com/elyons/professor_pinball_pinduino_sketches/tree/master/No-Good-Gofers
Instructions for assembling and installing: https://docs.google.com/document/d/11dvWLn5GuwVkKGALNcZdN98K1qqAlEKzqyIpqNevzU4/edit
Get your kit: https://pinside.com/pinball/market/shops/1025-professor-pinball/01472-pinduino-no-good-gofers-lighting-kit
» YouTube video
Wow, that looks great! Those ramps are perfect. Good idea!