If he's not an industrial designer, then why is this an industrial design?
It's like you hand me an album of somebody scratching at a violin for 80 minutes and tell me that the point was the album art, he's "not a musician" and "not advertising himself as one", gosh.
Excuse us silly engineers that got distracted by the actual content of the damn link. Guess we didn't see the trees for the forest.
If the point is to have a portfolio piece as a visual designer, Make a brochure for something that already exists, or that is unique and doesn't exist. This is an uncanny valley of being unimaginative yet impossible and that distracts me (and many readers here) from everything else.