Universal Century–style maintenance archway for an 18 m Gundam clearance; Style: Industrial sci-fi mecha architecture echoing the Earth Federation hangar facilities; Material: Titanium-alloy girders with steel panels and ceramic plating; Details: Semi-circular arch, 30 m span, 5 m depth, 45° beveled inner edge, honeycomb panels, two 20 m cylindrical pillars with X braces, retractable maintenance platforms on telescopic rails, monorail crane track with gantry arm, LED channel lights, exposed hydraulic piping, chipped paint, rust and oil streaks, access hatches at pillar bases, block-matrix signage above the arch, external conduit runs, oil stains under chipped paint, metallic maps for rivets and seams; Purpose: High-detail Gundam hangar environment asset optimized for PBR rendering, #arch#