Kuen Surface is a surface of constant negative curvature. HyperRogue is a game taking place on a hyperbolic plane (of constant negative curvature). This 3D model maps a scene from HyperRogue to a Kuen surface.
A green Tortoise appears twice for a reason. Guess why!
Based on: https://twitter.com/ZenoRogue/status/977293817454964736
Kuen Surface: http://mathworld.wolfram.com/KuenSurface.html
Currently the colors turn out not perfect when printed (a bit too dark, brown looks a bit ugly). If you are interested in printing this, I could try to improve them.