Original 85 × 32 × 18 m military corvette: layered arrowhead hull, slit bridge, two dorsal twin turrets, one ventral twin turret, ten missile cells and four engines; metres, +Z forward / +Y up.
128,732 triangles; 7 mesh nodes; 3 traverse + 3 elevation pivots verified at 30 degrees; GLB 10.67 MiB.
8 materials: Paint, Alloy, DarkMetal, Scorched, Weapons, Glass (BLEND), Engines and Lamps; Paint neutral texture × naval-grey factor [0.35, 0.37, 0.40].
Cycles OptiX baked shared tiling base/normal 1024² and ORM 512²; uniform glass/emissive finishes 64²; hull tile scale 4 m; six linear-RGB paint choices in nodes.json.
Poly Haven CC0 ids: metal_plate_02 (https://polyhaven.com/a/metal_plate_02), rusty_metal_04 (https://polyhaven.com/a/rusty_metal_04); licence: https://polyhaven.com/license .
Reference differences: original segmented engine petals, one dorsal turret forward of bridge, sculpted individual engine cowls and restrained roof sensors; no text, insignia, flags or deployed landing gear.