Check out this "Catalan free-form vault has been designed and build by students during a
one week workshop organised by Prof. Deplazes and Prof. Block from ETH
Zurich. RhinoVAULT has been used for the design of the complex compression-only shape.
For details, visit the homepage of the BLOCK Research Group."1
WORKS CITED 1 http://eat-a-bug.blogspot.com/2012/11/masonry-workshop-at-eth-zurich.html