Licence and credits

The Noble Polyhedra Explorer and its bundled model data are free software under the GNU General Public License version 3.

Model data

The 146 exceptional models are adapted from Connor Hill’s noble-tools-revised model library. Hill distributes that repository under GPLv3. This explorer converts the source OFF files into an embedded browser catalogue and excludes two alternate orbit representations.

Explorer

Explorer code and design © 2026 David Ryan. You may redistribute and modify the explorer under GPLv3. The complete corresponding source is available in the public site repository.

Read the full GPLv3 licence. The software comes without any warranty.

Research

The classification and stephanoid definitions come from Connor Hill’s paper, The complete set of noble polyhedra, published under CC BY-SA 4.0. The explorer uses its mathematical results and supplies its own text and implementation.