Process Just before I say goodnight, a final tweak, scaling the overall via a sine wave 13.08.16 http://daweso.me/2begdPI Process Previously Never stop tweaking! This is the previous code but with rectangles twice as large. Now they interact with each other! Like this? Then sign-up to The Dawesome Digest - my monthly email newsletter, where I share snap-shots of work-in-progress, news of latest work as well as other things you may find interesting.