Example 14, using square (joins 4)

From Cahier & Martin, page 219 (top). PP Class 33, [pmm,d2,d2], IH Class 72.

Statistics on this tiling:

• Tiling has symmetry pmm.
• Tiling has 3 polygons (with 16 edges) of which 1 are specified as copies of others.
• Edges are completely connected.
• Tiling is edge-to-edge.
• Tiling satisfies the two-polygon condition.
• Internal angles a multiple of 45°.
• Contains one non-regular polygon which has reflective symmetry.
• Contains: one square.
• Tiling contains 237 polygons.

Summary of images