{"params":{"colorway":{"type":"choice","default":"cream-brick","label":"Colorway","describe":"Curated kit-coherent scheme; sets all four zones at once. cream-brick is the approved period case (warm cream board, brick-red corner caps), ivory-green a brighter ivory with deep green caps, tan-walnut a dark brown-capped travel case, steel-navy a cool grey case with navy caps.","options":["cream-brick","ivory-green","tan-walnut","steel-navy"]},"shell":{"type":"color","default":"#ddceb0","label":"Shell","describe":"Albedo of the whole board shell \u2014 lid, body, the ribbed lid crown and the three front ribs. The dominant mass; overrides the colorway."},"trim":{"type":"color","default":"#98443d","label":"Corner trim","describe":"Albedo of the two wrap-around corner caps, the frame around each end panel and the arch handle. The bold accent \u2014 keep it several values darker than Shell or the two-tone read collapses."},"panel":{"type":"color","default":"#c7baa6","label":"End panel","describe":"Albedo of the recessed rectangular insert on each end face. Reads best one value step below Shell so the recess still separates when lit flat."},"metal":{"type":"color","default":"#999ca3","label":"Fittings","describe":"Albedo of the two latch buckles and the two handle brackets \u2014 the dull plated hardware. Cool greys read as nickel; warm yellows read as brass."},"width":{"type":"range","default":0.6,"label":"Width","describe":"Overall width of the case in metres; height (0.38 m) and depth (0.28 m) stay fixed. 0.46 is a stubby vanity case almost as tall as it is wide, 0.76 a long flat travel case. Corner caps keep their real 0.082 m width, so the cream centre panel is what stretches.","affects":"geometry","min":0.46,"max":0.76},"roundness":{"type":"range","default":0.045,"label":"Edge roundness","describe":"Radius in metres of the four long rounded edges and of the end-face outline. 0.018 is a crisp hard-cornered trunk, 0.075 a pillowy soft-shell case; the lid rib run narrows automatically to stay on the flat part of the crown.","affects":"geometry","min":0.018,"max":0.075},"lidRibs":{"type":"range","default":5,"label":"Lid ribs","describe":"Number of raised ribs across the lid crown. 3 gives widely spaced heavy ribs, 7 a fine close corrugation; the ribs thin and tighten as the count rises so the run always fits between the rounded edges.","affects":"geometry","min":3,"max":7,"step":1}},"presets":{"cream-brick":{"shell":"#ddceb0","trim":"#98443d","panel":"#c7baa6","metal":"#999ca3"},"ivory-green":{"shell":"#f5f6f4","trim":"#267466","panel":"#ddceb0","metal":"#dadde0"},"tan-walnut":{"shell":"#c7baa6","trim":"#4e3c30","panel":"#ddceb0","metal":"#898c95"},"steel-navy":{"shell":"#dadde0","trim":"#2a3a6b","panel":"#e2e4e7","metal":"#676b72"}},"rev":1792408798,"materials":{"shell":{"kind":"paint","finish":"eggshell"},"trim":{"kind":"leather","finish":"grain"},"panel":{"kind":"paint","finish":"eggshell"},"metal":{"kind":"metal","finish":"satin"}},"materials_note":"what each colour zone is made of: `kind` and `finish` name a procedural PBR material in https://polyfork.dev/materials.mjs (dressByAlbedo finds a zone by its albedo in COLOR_0). A zone not listed has not been classified.","preview_v":1792465898,"mod_v":1792408798}