Outline grid / quad shape animation

Hello,

I’d like to animate frames on a quad / grid shape. The idea is that quad shape would be drawn by lines.

What is the easiest and most effectiv way to do this with vvv?

Similar effect can be seen here:

Thanks for help

I too would like to know how to do this :)

draw-lines

Not sure if it still works in the latest beta, but it should be a start?