The other day Iv seen a video of the Tamiya truck with very realistic illuminated dash board.From what I understand, people use fiber optics to deliver different colours.The question is: how does one achieve the effect of translucent glass like effect of the whole board. Here is the video, you can watch the whole thing,or go to min.3
https://www.youtube.com/watch?v=NmLl2ysqvj0