Example 3 using equilateral triangle (joins 1)

PP Class 39, [p3lm,c3,c1], IH Class 30.

Statistics on this tiling:

• Tiling has symmetry p31m.
• Tiling has 4 polygons (with 16 edges) of which 1 are specified as copies of others.
• Edges are completely connected.
• Tiling is not edge-to-edge.
• Tiling satisfies the two-polygon condition.
• Internal angles a multiple of 60°.
• Contains one non-regular polygon which has reflective symmetry.
• Contains: 2 equilateral triangles.
• Tiling contains 112 polygons.

Summary of images