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La maschera è composta da 2 pezzi: la maschera con il portafiltro e la chiusura del filtro.  \n\nLa maschera può alloggiare filtri fatti in casa in TNT (tessuto non tessuto), carta filtrante (carta forno) o qualsiasi materiale sottile adatto.\n\nRispetto ad altre mascherine protettive stampabili:\n\n1) il portafiltro non richiede una chiusura tramite spessore in silicone da installare, ma presenta una filettatura capace di sostenere il filtro e rendere ermetica la chiusura!\n\n2) tempo di stampa di sole 2 ore circa!\n\nQuesta tipologia di mascherine/protezioni facciali non sono concepite per fermare virus o filtrare agenti patogeni ma esclusivamente per ridurre il rischio di trasmissione di agenti infettivi mediante goccioline. \n\nQuesta maschera non è certificabile e non deve sostituire le mascherine di protezione commerciali certificate ma va utilizzata soltanto in casi estremi dove non è possibile reperire altri sistemi di protezione più affidabili!\n\nSi consiglia di stamparla sempre con materiali certificati per il contatto con pelle e mucose. In particolare si consiglia di utilizzare il PLA, materiale BIODEGRADABILE, non-tossico, che non irrita la pelle.\n\nCompletata la stampa basterà far passare due fili nei fori laterali (scegliere la coppia giusta in funzione della forma del viso) per sostenere la mascherina (dietro le orecchie).\n\nLa forma della mascherina si adatta facilmente alla conformazione del volto. Per eventuali esigenze di taglie diverse basterà modificare con un software di slice lo scale (uniforme) della struttura e del tappo.\n\nLa mascherina può essere riutilizzata igienizzandola e cambiando il filtro dopo ogni utilizzo!\n\n \u003e NUOVA VERSIONE v2.0:\n\nMigliorato il sistema di aggancio del tappo per consentire l'introduzione di filtri con spessori maggiori fino a 1 mm!\n\n \u003e NUOVA VERSIONE v2.5:\n\nMigliorato il supporto del naso, per una migliore adesione al volto.\n\nMigliorati i fori per l'aggancio agli elastici.\n\nMigliorata la trama del tappo.\n\nPossibilità di stampare con strati da 0.25mm in meno di 1ora e 30min!\n\n\u003e NUOVA VERSIONE v3.0:\n\nInserita una griglia interna per incrementare la sicurezza in caso di movimenti indesiderati del filtro.\n\nEliminata la filettatura superflua sul corpo maschera per un design più pulito a parità di tempo di stampa.\n\nProlungata la zona inferiore della mascherina per consentire una migliore battuta con il mento.\n\nFunziona con lo stesso tappo della V2.5.","imageAlt":"3D print model Mascherina-COVID-19","url":"https://www.cgtrader.com/free-3d-print-models/science/engineering/mascherina-covid-19","isCLDApplicable":false,"isSaleOffApplicable":false,"gaAttributes":{},"primaryImage":{"gridFallbackUrl":"https://media.cgtrader.com/variants/LizvuamWRTMHcXMhWN7CKYLq/a26e47dab5f2d22c43d6c5ce4b4b46ecc30c70918878397cba1a10c1e35d7bfc/a2136d53-f70b-4036-b62c-98243f3f3296.jpg","gridUrl":"https://media.cgtrader.com/variants/LizvuamWRTMHcXMhWN7CKYLq/78add9c2f02fbd73a43ffb3970be38683c5f15eff6ca849dc78c644f4ff9ce1b/a2136d53-f70b-4036-b62c-98243f3f3296.webp","isAdultContent":false},"modelInfo":{"modelUrl":"https://www.cgtrader.com/free-3d-print-models/science/engineering/mascherina-covid-19","isCgtVerified":false,"types":{"printReady":true,"animated":false,"pbr":false,"rigged":false,"lowPoly":false}},"metaverseFormatsList":[{"id":51,"name":".stl","is_native":false}],"categorySlug":"science","subcategorySlug":"engineering","categoryTitle":"Science","subcategoryTitle":"Engineering","schemaImageUrl":"https://img-new.cgtrader.com/items/2333809/ca3d92c07f/mascherina-covid-19-plastic-mask-3d-model-ca3d92c07f.webp","saleOffDiscount":0,"eligibleForSubscription":false,"subscriptionSubscribed":false,"subscriptionPotential":false,"subscriptionTierBand":null}}]},"tag_links":{"header":"Check other trending 3D print models","links":[{"title":"Umbreon STL files","link":"https://www.cgtrader.com/3d-print-models/umbreon"},{"title":"Crown STL files","link":"https://www.cgtrader.com/3d-print-models/crown"},{"title":"Snorlax STL files","link":"https://www.cgtrader.com/3d-print-models/snorlax"},{"title":"Starfish STL files","link":"https://www.cgtrader.com/3d-print-models/starfish"},{"title":"Cobra STL files","link":"https://www.cgtrader.com/3d-print-models/cobra"},{"title":"Shop STL files","link":"https://www.cgtrader.com/3d-print-models/shop"},{"title":"1 18 STL files","link":"https://www.cgtrader.com/3d-print-models/1-18"},{"title":"Chaos STL files","link":"https://www.cgtrader.com/3d-print-models/chaos"},{"title":"Figurine STL files","link":"https://www.cgtrader.com/3d-print-models/figurine"},{"title":"Tcg STL files","link":"https://www.cgtrader.com/3d-print-models/tcg"},{"title":"Sloth STL files","link":"https://www.cgtrader.com/3d-print-models/sloth"},{"title":"Kirby STL files","link":"https://www.cgtrader.com/3d-print-models/kirby"},{"title":"Panda STL files","link":"https://www.cgtrader.com/3d-print-models/panda"},{"title":"Squirrel STL files","link":"https://www.cgtrader.com/3d-print-models/squirrel"},{"title":"Deer STL files","link":"https://www.cgtrader.com/3d-print-models/deer"},{"title":"Knuckles STL files","link":"https://www.cgtrader.com/3d-print-models/knuckles"},{"title":"Gorilla STL files","link":"https://www.cgtrader.com/3d-print-models/gorilla"}]},"suggested_search":null,"isSimilarSearchPossible":true,"url":"/3d-models/saliva","saveSearchSettings":null,"isSalesBoostEnabled":true,"subscriptionBadgesEnabled":null,"hideSuggestionsSection":null,"is_user_logged_in":false,"should_show_all_items_on_mobile":false,"pageTitle":"Saliva 3D print files - free \u0026 premium STL models | CGTrader"}