Nope, just the remembered shapes of things on the street, rendered in paint. (haberarts.com)
In an attempt to simplify and summarize that post, here is a brief chart which I pulled from page 50 of Shaping of Things to Come by Michael Frost and Alan Hirsch. (redeeminggod.com)
The exhibition Shape of Things will be on show at Brand New Gallery from April 9th till May 12th, 2016. (widewalls.ch)