Triply periodic minimal surface
Gyroid
blocks–
faces–
solid–
labyrinth–
fps–
drag to look · WASD fly · space/shift up/down · [] thickness 0.00 · 1–5 surface · I swap labyrinth

Blockspace

A minimal surface, voxelized. Click anywhere to fly through it.

These surfaces tile space, so the world never ends. The blocks fill one of two interlocking labyrinths — you are flying in the other, and no route connects them. Press I to swap.