First off there would be a new Aray-like element I'll refer to as "Jray" Jray would would be like Aray when powered with PSCN But when it is powered, instead of shooting Bray it would shoot "Sray" (Solid Ray) Sray, when hitting a solid, would "grow" that solid in a straight line with each hit like shown in the image below.
... I'm not one of those guys who maker uber complex things, or even complex things SO, i don't really know, but i know there is nothing like it... e_e
I'm still slowly working my way up to making... anything... with electronics or... e_e anything... I spent my first year playing powdertoy every once in a while and only mindlessly creating fires and melting things....
There's like, a glitch in the game that I'm pretty sure was intended, that has exactly this effect, enabling you to make holographic floors that stickmen can activate. It's pretty trippy.