I wanted the monkey to be separate from the base so that the effect of the light shining out of his bum was a little magical. Look mum, no connections. To do that I need to be able to difuse the light. In Build Monitors consisting of orbs, that usually means some form of frosting. I considered frosting the glass skull. I came a across some pre-frosted pebbles at a craft store. They did a good job, but shining a light through them at the store showed the light would not penetrack far.

 I settled on clear glass balls that could allow for refraction of the light. I also found a large acrillic diamond at the store that I saw could also refract the light outward from a focal point. I'm sitting the diamond flat side down on a flashlight so you can see the distribution and limited reflection back onto the table.

I jammed the diamond into a skull full of balls. The monkey with Blink M facing downwards sits on the diamond and the RGB light gets distributed. Here the flash gives you a sense of the distribution.