--- title: This 3D printer accessory makes my semi-used filaments... description: A hands-on review of the Elegoo H1 HT filament dryer, used to keep PETG and TPU filament spools dry on open-air Centauri Carbon 3D printers. The author tested... canonical: https://daily.dev/posts/this-3d-printer-accessory-makes-my-semi-used-filaments-last-longer-pda1tb8qb twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: This 3D printer accessory makes my semi-used filaments last longer | daily.dev og:description: A hands-on review of the Elegoo H1 HT filament dryer, used to keep PETG and TPU filament spools dry on open-air Centauri Carbon 3D printers. The author tested... og:url: https://daily.dev/posts/this-3d-printer-accessory-makes-my-semi-used-filaments-last-longer-pda1tb8qb og:image: https://api.daily.dev/og/posts/pda1tb8qb.png og:image:alt: This 3D printer accessory makes my semi-used filaments last longer og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # This 3D printer accessory makes my semi-used filaments last longer **[XDA Developers](https://daily.dev/sources/xda-developers)** · 4 min read · 0 upvotes · 0 comments ## Summary A hands-on review of the Elegoo H1 HT filament dryer, used to keep PETG and TPU filament spools dry on open-air Centauri Carbon 3D printers. The author tested it at 65°C for 8 hours, found it eliminated stringing on both test and functional prints, appreciated the spool-rotating drying mechanism and quiet operation, but noted downsides like a single filament slot, no airtight chassis, and reliance on a desiccant slot plus vacuum-sealed storage for long-term moisture protection. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [A DIY 3D Printing Filament Dryer](https://daily.dev/posts/a-diy-3d-printing-filament-dryer-5mw62xosk) · Hackaday · 0 upvotes · 0 comments - [That new spool of PETG looks ready to print — but the bag is lying to you](https://daily.dev/posts/that-new-spool-of-petg-looks-ready-to-print-but-the-bag-is-lying-to-you-hqxm2ih0w) · XDA Developers · 0 upvotes · 0 comments - [I rarely use a filament dryer in 3D printing; here is what I use instead](https://daily.dev/posts/i-rarely-use-a-filament-dryer-in-3d-printing-here-is-what-i-use-instead-kr6yw0u3q) · XDA Developers · 0 upvotes · 0 comments - [Filament drying solved the one problem I didn't know I had](https://daily.dev/posts/filament-drying-solved-the-one-problem-i-didn-t-know-i-had-ypwoqlvlo) · XDA Developers · 0 upvotes · 0 comments - [Silica Gel Makes For Better 3D Prints](https://daily.dev/posts/silica-gel-makes-for-better-3d-prints-kecmeqqe8) · Hackaday · 0 upvotes · 0 comments --- Tags: [#hardware](https://daily.dev/tags/hardware) [View this post on daily.dev](https://daily.dev/posts/this-3d-printer-accessory-makes-my-semi-used-filaments-last-longer-pda1tb8qb) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"This 3D printer accessory makes my semi-used filaments last longer","url":"https://daily.dev/posts/this-3d-printer-accessory-makes-my-semi-used-filaments-last-longer-pda1tb8qb","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/this-3d-printer-accessory-makes-my-semi-used-filaments-last-longer-pda1tb8qb"},"datePublished":"2026-08-18T15:01:58.808Z","dateModified":"2026-08-18T15:03:45.555Z","description":"A hands-on review of the Elegoo H1 HT filament dryer, used to keep PETG and TPU filament spools dry on open-air Centauri Carbon 3D printers. 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