| add_object | Add Object |
| arrow | Arrow Object |
| cone | Cone Object |
| cube | Cube Object |
| cylinder | Cylinder Object |
| dielectric | Dielectric (glass) Material |
| diffuse | Diffuse Material |
| disk | Disk Object |
| ellipsoid | Ellipsoid Object |
| extruded_polygon | Extruded Polygon Object |
| generate_cornell | Generate Cornell Box |
| generate_ground | Generate Ground |
| generate_studio | Generate Studio |
| glossy | Glossy Material |
| group_objects | Group Objects |
| lambertian | Lambertian Material (deprecated) |
| light | Light Material |
| metal | Metallic Material |
| microfacet | Microfacet Material |
| obj_model | 'obj' File Object |
| pig | Pig Object |
| render_scene | Render Scene |
| r_obj | R 3D Model |
| segment | Segment Object |
| sphere | Sphere Object |
| triangle | Triangle Object |
| xy_rect | Rectangular XY Plane Object |
| xz_rect | Rectangular XZ Plane Object |
| yz_rect | Rectangular YZ Plane Object |