Ray Tracing, Bounding Volume Hierarchy, Bvh, Axis Aligned, Tetrahedron Octahedron.
rendered for the three bounding volume types. Top-Left: AABB. Top-Right: AABT. Bottom: AABO. Note how the AABO uses its diagonals to shrink the intersection area compared to AABB. Also, this shows perfectly that building AABTs naively into the previous AABB scheme definitely needs more refinement.