Court tiles

Note: Size: exactly 4.00 × 4.00 m. The board surface is at 0.062 m: a 0.040 m sprung subfloor plus 22 mm boards. The paint and lines reach 0.068 m, and the floor-socket slot tops out at 0.072 m. The origin is at the tile centre and the bottom rests on y = 0. Boards run along Z, and the front faces +Z. How it tiles: the subfloor and board slab fill the footprint exactly. Board strips divide 4 m evenly, and border seams are half width, so neighbours show one full seam. The halfway line and full-tile court paint run straight off the edges. sportOnCourt (the kit's 'Sport on court') picks the painted markings: 0–0.33 is badminton, 0.33–0.67 is basketball (the default) and 0.67–1 is volleyball. Badminton is a court-blue surface over the whole tile, with white short service lines at the real 1.98 m from the net. That puts the lines near the tile edges, so this variant reads mostly as a blue slab. Volleyball is an energy-orange surface with a white centre line. With full-tile paint the boards are hidden under it, and the court_paint part is empty in the default basketball variant. Tiles that should join need the same sportOnCourt value. The GLB is baked at the default params, and the other variants were only built and eyeballed in the viewer. The GLB has 2,060 triangles in 9 meshes, is static and has no animation clip. Every material is named after its kit palette colour, so you can recolour by name. 'dark wood' appears twice because the exporter writes one material per mesh. Court blue dark, court blue light, wood dark and warm white are not used. The board seams and darker boards are millimetre-thin inlays on a solid board slab, not separate boards with real gaps. In the headless software renderer the checks run in, deep edge-on gap walls printed through the paint, so inlays are also left out under painted areas. The viewer uses exposure 0.7 rather than the direction's 1.05 so court blue and orange keep their colour; this does not affect the GLB. glb-lint reports 0 errors and 5 expected heuristic warnings. Its verdict reads 'UNVERIFIED' only because no requirements contract was supplied. The warnings are: the duplicate 'dark wood' material; non-indexed geometry, because the model is flat-shaded; overlaps from inlays and paint nested in the slab; the court lines registering as 'detached', because they are paint on the slab; and the 0.07 m height against a 1 m reference, because this is a ground tile. plan-check rejects only the hyphenated library part ids, because its id regex allows no hyphen in the root segment. The same plan with the slug de-hyphenated passes. three-check accepts those ids, and all 7 survive the GLB reload.