Chair44

One chair, three arrow colors. Explore the aperiodic monotile through Goodman–Strauss’s markings.

inflations 0 chairs 1

Construction

corner-direction graph Rotations

7 of 8 present

Three marked rotations per node. No reflections.

Red protrudes Green recedes Blue joins both 98 planar faces. Centered apexes; touching dents joined. Geometry & matching. Export exact tile JSON ↓ · Open in lattice tiler ↗ 3D print: 3MF ↓ · STL ↓ · CAD + print pack ↓ (48 mm) Slow rotation GIF ↗

Matching: exact tetrahedral geometry

Drag to orbit · inspect the arrows and inner socket