{"$schema":"nativecad-dfm-pack/1","id":"kitchen-tableware","title":"Kitchen & tableware — mugs, bowls, bottles, cutlery, cutters, boards","sector":"kitchen-tableware","version":"2026-09-04","summary":"Coffee mugs, cups, bowls, plates, water bottles, cutlery, bottle openers, cookie cutters, funnels, teapots, chopping boards and jar lids: envelope dimensions, food-contact materials, dishwasher/microwave limits and the tests they are held to.","aliases":["coffee mug","tumbler","mixing bowl","dinner plate","water bottle","bottle opener","cookie cutter","funnel","teapot","kettle","chopping board","cutting board","knife handle","jar lid","tableware","drinkware"],"crossSector":false,"size":"core","sources":[{"id":"fda-21cfr177","title":"FDA 21 CFR 177 — Food-Contact Polymers","url":"https://www.ecfr.gov/current/title-21/chapter-I/subchapter-B/part-177","accessed":"2026-09-04"},{"id":"eu-10-2011","title":"EU 10/2011 — Food-Contact Plastics","url":"https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:32011R0010","accessed":"2026-09-04"},{"id":"nsf-ansi-51","title":"NSF/ANSI 51 — Food Equipment Materials","url":"https://www.nsf.org/knowledge-library/nsf-ansi-51-food-equipment-materials","accessed":"2026-09-04"},{"id":"nsf-ansi-184","title":"NSF/ANSI 184 — Residential Dishwashers","url":"https://webstore.ansi.org/standards/nsf/nsfansi1842019","accessed":"2026-09-04"},{"id":"iso-8442-2","title":"ISO 8442-2 — Stainless Cutlery Requirements","url":"https://www.iso.org/standard/23095.html","accessed":"2026-09-04"},{"id":"isbt-threadspecs","title":"ISBT ThreadSpecs — PCO 1881 28mm Finish","url":"https://www.isbt.com/resources/isbt-threadspecs","accessed":"2026-09-04"},{"id":"gpi-glass-finish","title":"GPI — 63mm Wide-Mouth Glass Finish","url":"https://www.gpi.org","accessed":"2026-09-04"},{"id":"crown-cap-26mm","title":"GW Kent — 26mm Crown Cap Reference","url":"https://www.gwkent.com/crown-caps.html","accessed":"2026-09-04"},{"id":"digitalfire-shrinkage","title":"Digitalfire — Ceramic Firing Shrinkage","url":"https://digitalfire.com/glossary/firing+shrinkage","accessed":"2026-09-04"},{"id":"webstaurant-plate-guide","title":"Webstaurantstore — Plate Size Guide","url":"https://www.webstaurantstore.com/guide/1060/types-of-plates.html","accessed":"2026-09-04"},{"id":"steelcity-cutlery","title":"Steel City Cutlery — Flatware Sizes","url":"https://www.steelcitycutlery.com/shapesandsizes.html","accessed":"2026-09-04"},{"id":"cuttingboard-nsf","title":"Cuttingboard.com — NSF HDPE Board Specs","url":"https://www.cuttingboard.com/commercial-green-plastic-hdpe-cutting-board-nsf-certified-18-x-12-x-1-2/","accessed":"2026-09-04"},{"id":"fluentincoffee-mugsize","title":"Fluent in Coffee — Mug Size Chart","url":"https://www.fluentincoffee.com/coffee-cup-sizes-chart/","accessed":"2026-09-04"}],"entries":[{"id":"mug-capacity-envelope","kind":"dimension","tier":1,"title":"Coffee mug capacity and body envelope","summary":"A standard coffee mug holds 0.3-0.4 L (300-400 mL, typical 350 mL) in a body 70-90 mm outer diameter and 90-100 mm tall, sized for a full hand-wrap grip.","applies":["coffee mug","mug","tumbler"],"value":{"min":0.3,"max":0.4,"typical":0.35,"unit":"L"},"basis":"Common ceramic mug capacity for an 8-12 fl oz hot-beverage serving with headroom below the rim","sources":["fluentincoffee-mugsize"],"tags":["mug","capacity","envelope"]},{"id":"mug-wall-thickness-ceramic","kind":"dimension","tier":1,"title":"Ceramic mug wall and floor thickness","summary":"A ceramic (stoneware/porcelain) mug wall runs 3-5 mm thick, floor 5-7 mm, thick enough to survive glaze firing without being so thick it slows heat transfer to the drink.","applies":["coffee mug","ceramic","stoneware","porcelain"],"value":{"min":3,"max":5,"typical":4,"unit":"mm"},"basis":"Standard studio/industrial ceramic ware wall-thickness range balancing thermal-shock resistance against firing warp","sources":["digitalfire-shrinkage"],"tags":["mug","wall","ceramic"]},{"id":"mug-handle-clearance","kind":"dimension","tier":1,"title":"Mug handle finger clearance","summary":"Size the handle opening at least 25 mm deep (wall to handle) and 60 mm tall so three fingers can hook through together; under 25 mm deep only fits one or two fingers.","applies":["coffee mug","handle","teapot","kettle"],"value":{"min":25,"unit":"mm","note":"opening depth; opening height >=60mm for 3 fingers"},"basis":"Average adult finger width ~18-20mm x3 plus clearance for a relaxed grip through the loop","sources":["fluentincoffee-mugsize"],"tags":["mug","handle","ergonomics"]},{"id":"mug-base-foot-ring","kind":"dimension","tier":1,"title":"Mug base foot ring","summary":"Give a mug a 1-2 mm recessed foot ring 5-8 mm in from the outer wall so the unglazed footprint touching the table/kiln shelf is a thin ring, not the full underside.","applies":["coffee mug","bowl","plate","foot ring"],"value":{"min":1,"max":2,"unit":"mm"},"basis":"A recessed foot keeps the glazed underside off the kiln shelf during firing and off the table afterward","sources":["digitalfire-shrinkage"],"tags":["mug","foot","base"]},{"id":"tumbler-envelope","kind":"dimension","tier":1,"title":"Cup/tumbler capacity and body envelope","summary":"A drinking tumbler or cup runs 0.2-0.5 L in a straight or lightly tapered body 60-85 mm diameter and 90-130 mm tall, taller and narrower than a mug for a one-hand grip without a handle.","applies":["tumbler","cup","drinkware"],"value":{"min":0.2,"max":0.5,"typical":0.35,"unit":"L"},"basis":"Common single-wall drinkware capacity and proportions for a handle-free one-hand grip","sources":["fluentincoffee-mugsize"],"tags":["tumbler","cup","envelope"]},{"id":"bowl-envelope","kind":"dimension","tier":1,"title":"Mixing/salad bowl envelope","summary":"A mixing or salad bowl runs 150-300 mm rim diameter and 70-130 mm deep, with a flared wall (rim wider than base) so a whisk or hand can reach the base.","applies":["bowl","mixing bowl","salad bowl"],"value":{"min":150,"max":300,"typical":220,"unit":"mm"},"basis":"Common flared-wall bowl proportions used across ceramic and plastic mixing/serving bowls","sources":["digitalfire-shrinkage"],"tags":["bowl","envelope","flare"]},{"id":"plate-envelope-rim","kind":"dimension","tier":1,"title":"Dinner plate diameter and rim","summary":"A dinner plate runs 250-280 mm (10-11 in) diameter with a 15-30 mm rim band around a slightly recessed 150-200 mm well.","applies":["plate","dinner plate","tableware"],"value":{"min":250,"max":280,"typical":265,"unit":"mm"},"basis":"Common Western dinner-plate diameter range with a standard rimmed profile","sources":["webstaurant-plate-guide"],"tags":["plate","rim","envelope"]},{"id":"water-bottle-envelope","kind":"dimension","tier":1,"title":"Reusable water bottle envelope","summary":"A reusable water bottle runs 0.5-1.0 L capacity in a body 60-80 mm diameter and 200-280 mm tall, sized to fit a standard cup-holder (max ~72 mm bore).","applies":["water bottle","bottle"],"value":{"min":0.5,"max":1,"typical":0.75,"unit":"L"},"basis":"Common single-serving reusable bottle capacity sized to clear a car cup-holder's ~72mm bore","sources":["isbt-threadspecs"],"tags":["bottle","envelope","capacity"]},{"id":"water-bottle-thread-28mm-pco","kind":"standard","tier":1,"title":"28 mm PCO 1881 beverage bottle neck finish","summary":"The PCO 1881 28 mm neck finish (ISBT 2009) has a 21.74 mm bore, 17.2 mm finish height and 2 thread turns, the global standard beverage closure for a custom bottle taking an off-the-shelf 28mm cap.","applies":["water bottle","pet bottle","bottle cap"],"value":{"value":28,"unit":"mm","note":"bore 21.74mm; finish height 17.2mm; 2 thread turns"},"basis":"ISBT ThreadSpecs PCO 1881 finalized 2009 as the lightweighted successor to PCO 1810","sources":["isbt-threadspecs"],"tags":["bottle","thread","pco1881"]},{"id":"water-bottle-thread-63mm-wide-mouth","kind":"standard","tier":1,"title":"63 mm wide-mouth jar/bottle finish (63-485)","summary":"The 63mm wide-mouth finish (GPI 63-485) gives a 63 mm bore for a jar or wide-mouth bottle meant for scooping, versus the narrow 28mm beverage finish sized for sipping.","applies":["water bottle","jar","wide mouth"],"value":{"value":63,"unit":"mm"},"basis":"Glass Packaging Institute 63-485 finish standard, the common wide-mouth designation across glass and PET containers","sources":["gpi-glass-finish"],"tags":["bottle","jar","thread","wide-mouth"]},{"id":"cutlery-spoon-fork-length","kind":"dimension","tier":1,"title":"Table spoon and fork overall length","summary":"A place-size dinner fork runs 200-210 mm overall and a soup/table spoon 175-215 mm, with the bowl or tines roughly 40% of the total length.","applies":["spoon","fork","cutlery","flatware"],"value":{"min":175,"max":215,"typical":200,"unit":"mm"},"basis":"Common place-size (American) flatware length range used across stainless cutlery lines","sources":["steelcity-cutlery"],"tags":["cutlery","spoon","fork","length"]},{"id":"spatula-ladle-dims","kind":"dimension","tier":1,"title":"Spatula and ladle overall dimensions","summary":"A kitchen spatula runs 250-300 mm overall with a 60-90 mm wide blade, and a ladle 280-320 mm overall with a 60-80 mm diameter bowl, both keeping the hand clear of a hot pot rim.","applies":["spatula","ladle","kitchen utensil"],"value":{"min":250,"max":320,"typical":290,"unit":"mm"},"basis":"Common long-handled kitchen-utensil proportions sized to keep the hand clear of a hot pot rim","sources":["steelcity-cutlery"],"tags":["spatula","ladle","utensil"]},{"id":"bottle-opener-crown-cap","kind":"dimension","tier":1,"title":"26 mm crown cap and bottle-opener lever","summary":"A standard crown cap is 26 mm nominal (26.7 mm OD, 21 crimps) gripping a 26.5 mm bottle lip; the opener hook engages the crimped skirt and levers ~20-30 mm from the fulcrum.","applies":["bottle opener","crown cap"],"value":{"value":26,"unit":"mm","note":"OD ~26.7mm; 21 crimps; lever arm 20-30mm"},"basis":"The 26mm crown finish has been the international beer/soda bottle-cap standard for over a century","sources":["crown-cap-26mm"],"tags":["bottle-opener","crown-cap","lever"]},{"id":"cookie-cutter-wall-thickness","kind":"dimension","tier":1,"title":"Cookie cutter cutting-edge wall thickness","summary":"A cookie cutter's cutting wall runs 0.8-1.0 mm thick — thin enough to shear dough cleanly, thick enough to hold its shape and not deform when pressed.","applies":["cookie cutter"],"value":{"min":0.8,"max":1,"typical":0.9,"unit":"mm"},"basis":"Thin-wall metal/plastic cookie-cutter blades common across bakeware manufacturers","sources":["nsf-ansi-51"],"tags":["cookie-cutter","wall","blade"]},{"id":"cookie-cutter-height-flange","kind":"dimension","tier":1,"title":"Cookie cutter height and finger flange","summary":"A cookie cutter stands 15-20 mm tall — clearing a 10-12 mm dough sheet — with an optional 3-5 mm flange or rolled top edge so a finger can press down without biting into the palm.","applies":["cookie cutter"],"value":{"min":15,"max":20,"typical":18,"unit":"mm"},"basis":"Common cookie-cutter height clearing a standard rolled dough thickness with a press-flange for finger safety","sources":["nsf-ansi-51"],"tags":["cookie-cutter","height","flange"]},{"id":"funnel-cone-spout","kind":"dimension","tier":1,"title":"Funnel cone angle and spout diameter","summary":"A kitchen funnel tapers at a 40-60 deg full cone angle from a 70-120 mm mouth down to an 8-15 mm spout OD, steep enough to drain by gravity without bridging.","applies":["funnel"],"value":{"min":40,"max":60,"typical":50,"unit":"deg"},"basis":"A cone angle in this range drains most kitchen liquids by gravity without surface-tension bridging","sources":["nsf-ansi-51"],"tags":["funnel","cone","spout"]},{"id":"teapot-kettle-spout-lid","kind":"rule","tier":1,"title":"Teapot/kettle spout height versus lid","summary":"Set the spout tip at or slightly above the lid's highest point (within 5-10 mm) so the pot fills to its practical maximum before liquid reaches the lid seam.","applies":["teapot","kettle"],"value":{"min":5,"max":10,"unit":"mm","note":"spout tip height above lid crown"},"basis":"Classic teapot/kettle proportion rule so the usable fill line is set by the spout, not the lid seal","sources":["nsf-ansi-51"],"tags":["teapot","kettle","spout"]},{"id":"chopping-board-envelope","kind":"dimension","tier":1,"title":"Chopping/cutting board size and thickness","summary":"A home chopping board runs 300-450 mm long, 200-300 mm wide and 12-38 mm thick (plastic HDPE commonly 12.7 mm / 1/2in; wood boards 18-38 mm).","applies":["chopping board","cutting board"],"value":{"min":12,"max":38,"typical":18,"unit":"mm"},"basis":"Common commercial NSF-listed HDPE board thickness (1/2in) versus thicker solid-wood board practice","sources":["cuttingboard-nsf"],"tags":["chopping-board","thickness","envelope"]},{"id":"knife-handle-basics","kind":"dimension","tier":1,"title":"Kitchen knife handle length and diameter","summary":"A kitchen knife handle runs 100-130 mm long and 20-28 mm through its grip, sized for a full four-finger wrap with the thumb along the spine or bolster.","applies":["knife handle","knife"],"value":{"min":100,"max":130,"typical":115,"unit":"mm"},"basis":"Common Western chef's-knife handle proportions for a full-hand pinch or hammer grip","sources":["iso-8442-2"],"tags":["knife","handle","ergonomics"]},{"id":"jar-lid-standard-sizes","kind":"dimension","tier":1,"title":"Standard jar lid thread sizes","summary":"Common jar/lid thread sizes run 43, 53, 63, 70 and 89 mm bore (twist-off canning and retort jars), the number naming the lid's nominal thread diameter.","applies":["jar lid","jar"],"value":{"options":[43,53,63,70,89],"unit":"mm"},"basis":"Common twist-off (CT) and lug-cap jar finish sizes used across food-jar packaging","sources":["gpi-glass-finish"],"tags":["jar-lid","thread","sizes"]},{"id":"dishwasher-temperature-material-tg","kind":"rule","tier":1,"title":"Dishwasher wash/rinse temperature versus material Tg","summary":"A residential dishwasher's hot wash runs 49-66 C and an NSF/ANSI 184 sanitize rinse hits ~66 C; a dishwasher-safe part needs a Tg/heat-deflection point above 66 C, ruling out plain PLA (Tg ~55-60 C).","applies":["housing","water bottle","jar lid","mug"],"value":{"min":49,"max":66,"typical":60,"unit":"C"},"basis":"NSF/ANSI 184 sets the 66C sanitize-rinse benchmark residential dishwashers are certified to reach","sources":["nsf-ansi-184"],"tags":["dishwasher","temperature","tg"]},{"id":"food-contact-material-compliance","kind":"rule","tier":1,"title":"Food-contact material compliance (FDA/EU)","summary":"Any surface touching food or drink needs a food-contact-cleared material — FDA 21 CFR 177 (US) or EU 10/2011 (Europe) — and compliance is per resin grade, not generic to the polymer family.","applies":["mug","bowl","plate","water bottle","cutlery","chopping board","cookie cutter"],"basis":"FDA 21 CFR 177 and EU 10/2011 are the two governing food-contact-plastics regimes a tableware design must clear","sources":["fda-21cfr177","eu-10-2011"],"tags":["food-contact","fda","eu","compliance"]}]}