He āhua ahu-3 te poi, he rite ki te āhua o Papatūānuku. Kotahi te mata kōpiko o te poi, kāore ōna kokonga. He ōrite te tawhiti o ngā pūwāhi katoa o te mata, mai i te pū o te poi.
The sphere is a 3-dimensional shape, similar to the shape of the earth. It has one curved surface with no corners. All points on the surface of a sphere are the same distance from its centre.