But often these models mess up drawing even just the bicycle part.

I remember a submission a few years ago about a guy asking others to sketch bikes. Most of the time the drawn bikes wouldn't be rideable.

https://www.gianlucagimini.it/portfolio-item/velocipedia/

HN discussion: https://news.ycombinator.com/item?id=17699017

To be fair, humans can’t draw a bicycle either.

https://www.wired.com/2016/04/can-draw-bikes-memory-definite...