Apparently, Invisiprims, a neat feature for being able to use a shape to hide parts of objects, was not actually removed for a reason; it simply didn't get implemented because it was never an official feature. Per the latest SLCCUG: https://www.youtube.com/live/VNeuZap3lyc?si=D90wKzjlQQruS4qU&t=3496 Link is queued to the time explaining that there's nothing preventing invisiprims from being a thing again, and it'd be neat to have the option again!