| The octagons are primarily built from bamboo, with floors and walls made of packed earth. |
| The house is formed of four octagons and no rectangular shapes or flat walls. |
| Guthrie grows his plants in octagons, a hydroponic arrangement that allows producers to maximize the number of plants in a confined space. |
| The architect Alberto Lensi designed the cottages as octagons to catch the wind from all directions. |
| Romano-British floor mosaic, featuring an elaborate design of four octagons and canthari and dolphins. |
| Within the rectangles, which have red backgrounds, concentric octagons make up the primary motif. |
