Only around 33 dodechahedrons have been found in the UK, and 65 in Europe - Digging for Britain / BBC There were two big mysteries in the news this week. First there was the discovery of a Roman ...
A common route for such a build relies on appropriately shaped 3D printed frame parts, with some kind of clear plastic for the 12 faces, and LED strips stuck to the inside of each of the 30 edges.