like i want to compress 2 pixels in one place for like 1000 pixels, it seems kind of painful doing it one line at a time with the prop tool when theres like 120 lines
What I recommend doing is this. Assemble a line of the layered particles, starting off with two, one on top of the other twice. All of it touching. Then use CTRL C to copy that set of six, then copy paste it on top of the one you copied, then copy the two sets, which should be connected to each other, and repeat. Should make it less tedious.
If you're looking to assemble an entire line of layered particles composed of two, assemble the two lines of non-layered particles next to each other, then type into the console "!set x all 500". It'll layer all of them at the X coordinate 500, creating a neat vertical line of layered particles.
Yeah, make a line with the elements you wanna layer and then type into console "!set x all 300", but the line must be one pixel wide, otherwise it won't work.