There are 2 types of shell stalls. 1. Octanorm stalls and 2. Maxima stalls.
It is called Octanorm stall or Shell Schema stall.
Octanorm is a portmanteau of the words octagon and norm. The word was first coined in the 1930s by German architect and industrial designer Karl Moll, who developed the Octanorm system of modular exhibition stands. The word ‘Octanorm’ has since become synonymous with modular exhibition stands, and is now used as a generic term for this type of product. Learn More