| ay_acurve_object | Approximating curve object |
| ay_apatch_object | Approximating surface object |
| ay_bevel_object | Bevel surface object |
| ay_birail1_object | Birail surface object (from three curves) |
| ay_birail2_object | Birail surface object (from four curves) |
| ay_box_object | Box object |
| ay_bparam | Bevel parameter helper |
| ay_bpatch_object | Bilinear patch object |
| ay_btval | Binary tag value |
| ay_camera_object | Camera object |
| ay_cap_object | Cap surface object |
| ay_clone_object | Clone object |
| ay_concatnc_object | Concatenate curves object |
| ay_concatnp_object | Concatenate surfaces object |
| ay_cone_object | Cone object |
| ay_cparam | Cap parameter helper |
| ay_cylinder_object | Cylinder object |
| ay_disk_object | Disk object |
| ay_extrnc_object | Extract curve from surface object |
| ay_extrnp_object | Extract surface from surface object |
| ay_extrude_object | Extrusion surface object |
| ay_ftable | Callback table |
| ay_gordon_object | Gordon surface object |
| ay_hyperboloid_object | Hyperboloid object |
| ay_icurve_object | Interpolating curve object |
| ay_ipatch_object | Interpolating surface object |
| ay_level_object | Level object |
| ay_light_object | Lightsource object |
| ay_list_object | Ayam object list element |
| ay_mat_object | Material Object |
| ay_mpoint | Multiple points |
| ay_ncircle_object | Circle object |
| ay_nurbcurve_object | NURBS curve object |
| ay_nurbpatch_object | NURBS patch object |
| ay_object | Ayam object |
| ay_offnc_object | Offset curves object |
| ay_offnp_object | Offset surface object |
| ay_otable | Object table |
| ay_pamesh_object | Bilinear/Bicubic patch mesh object |
| ay_paraboloid_object | Paraboloid object |
| ay_point | Selected points |
| ay_pointedit | Point edit helper (ay_getpntcb callbacks fill it) |
| ay_pomesh_object | Polygonal mesh object |
| ay_preferences | User preferences |
| ay_revolve_object | Surface of revolution object |
| ay_riinc_object | RenderMan Interface Bytestream include object |
| ay_riopt | RenderMan interface options |
| ay_riproc_object | RenderMan Interface Bytestream procedural object |
| ay_root_object | Root object |
| ay_script_object | Script object |
| ay_sdmesh_object | Subdivision mesh object |
| ay_select_object | Select object |
| ay_shader | RenderMan shader |
| ay_shader_arg | RenderMan shader parameter |
| ay_skin_object | Skinned surface object (Loft) |
| ay_sm_trafostack | Stack of transformations |
| ay_sphere_object | Sphere object |
| ay_stess_curve | A tesselated NURBS curve |
| ay_stess_patch | A tesselated NURBS patch |
| ay_stess_uvp | A tesselated NURBS patch point |
| ay_sweep_object | Swept surface object |
| ay_swing_object | Swung surface object |
| ay_tag | Tag, attach arbitrary information to objects |
| ay_text_object | Text object |
| ay_torus_object | Torus object |
| ay_trafo | Transformation attributes |
| ay_trim_object | Trim surface object |
| ay_view_object | View object |
1.6.3