Document Type

Working Paper


This item is available under a Creative Commons License for non-commercial use only


Applied mathematics, 1.3 PHYSICAL SCIENCES, Particles and fields physics, 2. ENGINEERING AND TECHNOLOGY, 2.3 MECHANICAL ENGINEERING

Publication Details

This working paper was written in July 2009, but was not published then.


A geometry for concentrc shells or tubes, built-up from a single rhombohedral block type, is described. Continuous radial joints are avoided.