These are totally do-able in older versions of Paint. The only thing Win7's Paint provided for these was easy-and-convenient shapes (hexagon, triangle, six-point star, and diamond!). And I've obviously been getting a lot of use out of the curve tool that I never bothered to mess around with before.
Here's something!
Styled after a painting hanging in my room that my housemate did years ago.
Threaded Mode