- o -
- o_vec : oslo_mat
- obb_center : bview
- obb_extent1 : bview
- obb_extent2 : bview
- obb_extent3 : bview
- obj : rt_selection
- obj_cnt : subbrep_island_data
- obj_name : diff_result
- obj_s : bview_settings
- object_length : db5_raw_internal
- object_names : gcv_opts
- observer : bu_observer
- observers : bu_observer_list
- offset : bu_opt_desc_opts, oslo_mat
- old_nregions : rt_reprep_obj_list
- old_nsolids : rt_reprep_obj_list
- on_eg : nmg_inter_struct
- open : bg_poly_contour
- opticalProperties : rt_material_internal
- option_columns : bu_opt_desc_opts
- optional : bu_opt_desc_opts
- Orca_hash_tbl : rt_i
- order : edge_g_cnurb, face_g_snurb, nurb_seg
- order_reversed : pbc_data
- orientation : carc_seg, edgeuse, faceuse, loopuse, rt_bot_internal
- origin : csg_object_params
- osize : oslo_mat
- otbl : bv_scene_obj
- other : hitmiss, nmg_hitmiss
- other_face_trim_pnt : BrepTrimPoint
- out_pt : diff_seg
- outbound_norm : hitmiss, nmg_hitmiss
- outbound_use : hitmiss, nmg_hitmiss
- outside : faceuse