IS-3 retrofit: original silhouette, materials and legacy pivots retained; 44 detachable parts, articulated hatches, recoil barrel and tank-damage/v1 pair.
Healthy 130,295 triangles; damage 83,331 triangles; wreck 45,331; healthy 8.84 MiB, damage 7.53 MiB.
Healthy: Paint, Steel, Tracks, Rubber, Glass, Lamps, Weapon, DryMud; damage: Paint, Burnt, Scars, TrackSteel, Rubber; unchanged Paint factor [0.13,0.15,0.08].
Original Cycles baked tiles reused unchanged; healthy base up to 1024, normal/ORM up to 512; damage up to 512 except shared Paint; new Burnt/Scars Cycles bakes included.
Poly Haven CC0: green_metal_rust, metal_plate, rusty_metal_03, brown_mud_dry; https://polyhaven.com/license ; original recipe retained; --rebake regenerates textures.
Reference differences retained: shortened aerial, low stowed DShK, simplified fittings; damage is authored fictional battle wear; no insignia or logos.