| 2D linear objects: lines, rays, segments, circular arcs. |
| 2D planar objects: aligned and oriented boxes, ellipses, circles, rectangles, triangles, polygons, sectors of circles. |
| 3D linear objects: lines, rays, segments, segment meshes (sets of ordered line segments). |
| 3D planar objects: planes, rectangles, triangles, circles, ellipses. |
| 3D volumetric objects: canonical boxes, aligned boxes, oriented boxes, tetrahedra, polyhedra, orthogonal frusta, spheres, ellipsoid, cylinders, cones, capsules, lozenges, halfspaces, torii. |