British Mark IV male: rhomboid tracks, riveted sponsons, hinged hatches, recoil barrels and turretless damage rig; metres, +Z forward.
Triangles: healthy 116,552; damage 87,694; geometry and named origins retained.
Materials: Paint, TrackSteel, Wood, Interior, Lamps, Rust, Mud, Burnt, Scars; Paint factor [0.20,0.17,0.10], six variants.
Cycles OptiX baked tile textures: Paint base/normal 1024; ORM 512; all other maps 512 or 256; photographic sources 1k.
Poly Haven CC0 IDs: metal_plate, rusty_metal_03, wood_planks, green_metal_rust, brown_mud_dry; https://polyhaven.com/license and https://polyhaven.com/a/<id>.
Differences: stylised wear placement, simplified hidden suspension/interior; turretless exception uses three damage roots and no Wreck_Turret; state 6 is a displaced whole wreck.
