It's a projection in which the spherical surface of the earth is divided into eight octants, each flattened into the shape of a Reuleaux triangle on an elastic support, being able to roughly cover with them the surface of an earth's globe.
It's a projection in which the spherical surface of the earth is divided into eight octants, each flattened into the shape of a Reuleaux triangle on an elastic support. It's a projection in which the spherical surface of the earth is divided into eight octants, each was being able to roughly cover with them the surface of an earth's globe.