Catwalk (Portal 2)

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January 2024

A few catwalks in-game

The Catwalk in Portal 2, used in behind the scenes sections in the game, is a series of models found in the game under the prefix hanging_ and found in the folder props_bts. They can be placed in the game as a prop using these as world models. There are also animated versions of catwalks with no collision found in the folder catwalk_destruction, which are catwalks being demolished.

List of models

Still models (under the folder props_bts)

Large platforms

• hanging_platform_a
• hanging_platform_b

Stairs

• hanging_stair_128
• hanging_stair_256
• hanging_stair_32
• hanging_stair_64
• hanging_stair_exit
• hanging_stair_landing_a
• hanging_stair_landing_b

Walkways

• hanging_walkway_512a
• hanging_walkway_256a
• hanging_walkway_128a
• hanging_walkway_128b
• hanging_walkway_128c
• hanging_walkway_128d
• hanging_walkway_64a
• hanging_walkway_64b
• hanging_walkway_64c
• hanging_walkway_64d
• hanging_walkway_64e
• hanging_walkway_32a
• hanging_walkway_32b
• hanging_walkway_32c
• hanging_walkway_16a
• hanging_walkway_angle_30
• hanging_walkway_corner
• hanging_walkway_end_a
• hanging_walkway_end_b
• hanging_walkway_end_cap
• hanging_walkway_l
• hanging_walkway_l_norail
• hanging_walkway_t
• hanging_walkway_t_norail
• hanging_walkway_x

Other elements

• hanging_walkway_gate_a
• hanging_walkway_gate_door
• hanging_walkway_gate_frame
• hanging_walkway_hanger_a
• hanging_walkway_support_128
• hanging_walkway_support_256
• hanging_walkway_support_a
• hanging_walkway_support_bracket

Animated models (no collision, under the folder catwalk_destruction)

A catwalk in the model browser.

• catwalk_fx_a
• catwalk_fx_b
• catwalk_fx_c
• catwalk_fx_d
• catwalk_fx_e1
• catwalk_fx_e2
• catwalk_fx_e3