Christian Lawson-Perfect is a user on You can follow them or interact with them if you have an account anywhere in the fediverse. If you don't, you can sign up here.
Christian Lawson-Perfect @christianp

Mathographics by Robert Dixon is a lovely book, containing all sorts of drawings created with compass and straightedge (and some computer stuff at the back)

· Web · 0 · 0

Everyone knows you can't trisect an arbitrary angle with just a compass.
Underwood Dudley wrote the famous essay "What To Do When The Trisector Comes" to help you fend off those who insist otherwise.