The next group of crop circles are a lot more complicated...  The first two weren't too bad for me to figure out how to make, but the third one...  Man, that thing was a beast!  I was pretty proud of myself for piecing it together!  I'm putting my geometry frame next to each so you can see how I started my drawings:

Wow!  Can you believe "someone" actually made these things in a wheat field?

What crop circle design would you make?