At work we’ve got a 3D printer. In this series of posts I’ll share some of the designs I’ve made.
![Several dozen black beams woven together to make a single structure, supported only at the edges.](https://aperiodical.com/wp-content/uploads/2019/11/d090fce9d7884217367464c9b58b358f_preview_featured.jpg)
The roof of the Sheldonian theatre in Oxford, built from 1664 to 1669, is constructed from timber beams which are unsupported apart from at the walls, and held together only by gravity.