Agreed, some of the frames were surprising and quite funny. I've never ridden a bike professionally, or even as a serious hobby, but I would've guessed that way

Agreed, some of the frames were surprising and quite funny. I've never ridden a bike professionally, or even as a serious hobby, but I would've guessed that way more people would at least get the general frame shape of a rhombus with 2 connected corners and the fork coming down from the front edge.