Thanks for the shout out. Great little project. I wouldn't have noticed that incorrect frame if I wasn't told to look for it. These drawing from memory projects come from a lineage of similar experiments dating back to the situationists I believe. Who drew memory maps of the neighborhoods they lived in. Called it 'psycho-geography' I think. Reminds me of a few things I've seen recently: The Sheep Market and my personal favorite, Alex Morrison's 'Every House I've Lived in Drawn from Memory'.
The Sheep Market is hilarious. It is interesting that there is such a difference between our ability to recreate what we remember, and the ability to identify something as being incorrect. I can see how a bike is not right, but I cannot produce a correct bike. I want this bike: It's funny. This bike got me thinking about front wheel chain drive, and then I remembered: turning.