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I came across this randomly, I'm sure I've seen the collapsing wheel concept before, I hope he hasn't nicked it.
Anyways solid tyres Shirley can't ride well, and it's £2k when released, but I admire the innovation and mostly his promo video:
https://www.t3.com/?jwsource=cl
Is there a better link, I just get a load of popup adverts and no actual content?
I'm afraid my brain automatically translates "folding bike" into "snapping bike", but I guess it would probably be a good commuter bike if you don't have anywhere to park a regular bike.

I would like to compare a folding solid tyre 3 piece wheel with a 16inch standard wheel and pneumatic tyre. My money would be on the bike being better with the 16inch wheel.