Simple categories matching plane:

• glass,
• surface,
• structure,
• region,
• medium,
• article,
• mirror,
• sheet,
• strain,
• material,
• property,
• reflector,
• part,
• substrate,
• detector,
• support,

Members with property plane:

• plane_truss,
• wall,
• panel,
• pad,
• arch,
• roof,
• table_top,
• camera_sensor,
• track,
• arcade,
• ceiling,
• papers,
• thin_plate,
• lintel,
• vine_trellis,
• fuselage,
• ground_surface,
• barrier,
• desktop,
• photographic_plate,
• tile,
• metal_plate,
• steps,
• shallow_arch,
• floor,
• silicon_wafer,
• glass_windows,
• steel_pipe,
• glass_substrate,
• sheet_shape,
• rhombohedral_structure,
• flat,
• airport,
• wings,
• film,
• loss_factor,
• cloth,
• wooden_table,
• window-pane_fig,
• elements,
• board_shape,
• concrete_slab,
• unicycle,
• cylinder,
• sphere,
• large_container,
• mirror,
• filter_support,
• metal_panel,
• plate,
• tape_shape,
• canopy,
• building_structure,
• beam,
• table_face,
• sheet,
• fence,
• metal_mirror,
• blade,
• drydock_wall,
• tabletop,
• wheel_assembly,
• glass,
• ground,
• plastic_substrate,
• tray,
• girder,
• paint_film,
• celluloid,
• paper,
• strip,
• diode_array,
• window,
• colloidal_suspension,
• film_shape,
• plate_shape,
• factory_floor,
• cantilever,
• glass_slide,
• marquee,
• ridge,
• band,
• ramp,
• sensitive_film,
• capillary_absorption,
• cone,
• porch_railing,
• roads,
• textile,
• cube,
• silicon,
• structural_column,
• mo,
• door,
• metal_chuck,
• thin_film,
• metal_sheet,
• dielectric_interface,
• spring,
• road,
• glass_panel,
• noise_barrier,
• potholed_ground,
• stone,
• diptych_dial,
• smooth_stone,
• bathroom_mirror,
• sheet_material,
• glass_plate,
• wooden_plate,
• coil,
• disc-brake_rotor,
• protective_plate,
• frame,
• polyhedral_dial,
• rod,