Dutch step-through city bicycle, 28-inch wheels, open front porter carrier, full chain case, functional pivots and retracted stand.
46,490 triangles; 5.52 MiB GLB; metre-scale Y-up, forward +Z.
6 materials: Paint, Chrome, Leather, Tyre, Rubber, Lens; neutral baked Paint texture with linear [0.01, 0.01, 0.01] factor; satin/matt enamel.
Cycles OptiX baked reusable base/normal tiles 512–1024 px; packed ORM 256 px; all runtime textures embedded.
Poly Haven CC0 ids: brown_leather, metal_plate, rubber_tiles; https://polyhaven.com/license ; https://polyhaven.com/a/{id}.
Differences: original lamp and fasteners, no reference branding, retracted stand; fine wear restrained, enclosed chain simplified, carrier matches open reference basket.