{"product_id":"original-prusa-core-one-l-to-core-one-l-upgrade","title":"Original Prusa® CORE One L to CORE One L+ Upgrade","description":"\u003cstyle\u003e\n  \/* STRICT 1:1 LAYOUT \u0026 THEME OVERRIDE *\/\n  .prusa-page { font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Helvetica, Arial, sans-serif !important; color: #333 !important; max-width: 980px !important; margin: 0 auto !important; line-height: 1.6 !important; font-size: 16px !important; }\n  .prusa-page * { box-sizing: border-box !important; }\n  .prusa-page img { width: 100% !important; height: auto !important; display: block !important; border-radius: 8px !important; margin: 0 !important; }\n  .prusa-page a { color: #fa6831 !important; text-decoration: none !important; }\n  .prusa-page a:hover { text-decoration: underline !important; }\n  .prusa-page h2 { font-size: 1.75rem !important; font-weight: 700 !important; color: #111 !important; margin: 0 0 1rem !important; line-height: 1.2 !important; text-transform: none !important; }\n  .prusa-page h3 { font-size: 1.3rem !important; font-weight: 700 !important; color: #111 !important; margin: 0 0 0.75rem !important; text-transform: none !important; }\n  .prusa-page h4 { font-size: 1.1rem !important; font-weight: 700 !important; color: #111 !important; margin: 0 0 0.5rem !important; }\n  .prusa-page p { margin: 0 0 1.25rem !important; font-size: 1rem !important; font-weight: 400 !important; color: #444 !important; }\n\n  \/* Navigation *\/\n  .prusa-nav { display: flex !important; flex-wrap: wrap !important; justify-content: center !important; gap: 15px !important; margin-bottom: 40px !important; background: #fdfdfd !important; padding: 15px !important; border-radius: 8px !important; border: 1px solid #eee !important;}\n  .prusa-nav a { font-weight: 600 !important; color: #111 !important; font-size: 0.9rem !important; }\n  .prusa-nav a:hover { color: #fa6831 !important; }\n\n  \/* Section Dividers \/ Group Labels *\/\n  .prusa-group-label { font-size: 0.8rem !important; font-weight: 700 !important; text-transform: uppercase !important; letter-spacing: 0.15em !important; color: #fa6831 !important; border-top: 2px solid #fa6831 !important; padding-top: 12px !important; margin: 60px 0 30px !important; }\n  .prusa-tag { display: inline-block !important; background: #fa6831 !important; color: #fff !important; font-size: 0.7rem !important; font-weight: 700 !important; text-transform: uppercase !important; padding: 4px 10px !important; border-radius: 4px !important; margin-bottom: 12px !important; }\n\n  \/* Splits \u0026 Grids *\/\n  .prusa-split { display: grid !important; grid-template-columns: 1fr 1fr !important; gap: 40px !important; align-items: center !important; margin-bottom: 60px !important; }\n  .prusa-split.flip .prusa-text { order: 2 !important; }\n  .prusa-split.flip .prusa-img { order: 1 !important; }\n  @media(max-width: 768px) { \n    .prusa-split { grid-template-columns: 1fr !important; gap: 20px !important; margin-bottom: 40px !important; } \n    .prusa-split.flip .prusa-text { order: 1 !important; }\n    .prusa-split.flip .prusa-img { order: 2 !important; }\n  }\n  .prusa-grid-4 { display: grid !important; grid-template-columns: repeat(4, 1fr) !important; gap: 15px !important; margin-bottom: 30px !important; }\n  .prusa-grid-3 { display: grid !important; grid-template-columns: repeat(3, 1fr) !important; gap: 15px !important; margin-bottom: 30px !important; }\n  .prusa-grid-2 { display: grid !important; grid-template-columns: repeat(2, 1fr) !important; gap: 15px !important; margin-bottom: 30px !important; }\n  @media(max-width: 600px) { \n    .prusa-grid-4 { grid-template-columns: repeat(2, 1fr) !important; }\n    .prusa-grid-3, .prusa-grid-2 { grid-template-columns: 1fr !important; }\n  }\n\n  \/* UI Elements *\/\n  .prusa-icon-box { background: #f9f9f9 !important; border: 1px solid #eee !important; border-radius: 8px !important; padding: 20px 10px !important; text-align: center !important; font-size: 0.85rem !important; font-weight: 600 !important; color: #111 !important; }\n  .prusa-icon-box span { display: block !important; color: #666 !important; font-weight: 400 !important; font-size: 0.75rem !important; margin-top: 4px !important; }\n  .prusa-card { background: #fdfdfd !important; border: 1px solid #eee !important; border-radius: 8px !important; padding: 20px !important; height: 100% !important; }\n  \n  \/* Link Cards *\/\n  a.prusa-card-link { color: inherit !important; text-decoration: none !important; display: block !important; transition: border-color 0.2s ease, transform 0.2s ease !important; }\n  a.prusa-card-link:hover { border-color: #fa6831 !important; transform: translateY(-3px) !important; text-decoration: none !important; }\n\n  \/* Buttons *\/\n  a.prusa-btn { display: inline-block !important; background: #fa6831 !important; color: #ffffff !important; font-weight: 700 !important; padding: 12px 24px !important; border-radius: 8px !important; text-align: center !important; margin-top: 15px !important; border: none !important; }\n  a.prusa-btn:hover { background: #e05d2c !important; color: #ffffff !important; text-decoration: none !important; }\n\n  \/* Lists \u0026 Tables *\/\n  .prusa-list { list-style: none !important; padding: 0 !important; margin: 0 0 1.5rem !important; }\n  .prusa-list li { position: relative !important; padding-left: 1.5rem !important; margin-bottom: 0.5rem !important; font-size: 1rem !important; color: #444 !important; font-weight: 400 !important; }\n  .prusa-list li::before { content: '■' !important; color: #fa6831 !important; position: absolute !important; left: 0 !important; font-size: 0.8rem !important; top: 0.2rem !important; }\n  .prusa-table { width: 100% !important; border-collapse: collapse !important; font-size: 0.9rem !important; margin: 1.5rem 0 !important; }\n  .prusa-table th { background: #111 !important; color: #fff !important; text-align: center !important; padding: 12px 16px !important; font-weight: 700 !important; text-transform: uppercase !important; letter-spacing: 0.05em !important; }\n  .prusa-table td { text-align: center !important; padding: 12px 16px !important; border-bottom: 1px solid #eee !important; color: #444 !important; vertical-align: middle !important; }\n  .prusa-table th:first-child, .prusa-table td:first-child { text-align: left !important; font-weight: 600 !important; width: 35% !important; color: #111 !important; }\n\n  \/* Global Scaling Containers *\/\n  .prusa-img-16-9 { aspect-ratio: 16\/9 !important; object-fit: cover !important; width: 100% !important; border-radius: 6px !important; margin-bottom: 16px !important; }\n  .prusa-avatar { width: 70px !important; height: 70px !important; border-radius: 50% !important; object-fit: cover !important; margin: 0 auto 15px auto !important; }\n  .prusa-logo-scaling { height: 150px !important; width: 100% !important; display: flex !important; align-items: center !important; justify-content: center !important; margin-bottom: 15px !important; }\n  .prusa-scaling-logo { max-height: 100% !important; max-width: 100% !important; object-fit: contain !important; border-radius: 0 !important; width: auto !important; }\n  .prusa-avatar-scaling { width: 70px !important; height: 70px !important; display: flex !important; align-items: center !important; justify-content: center !important; margin: 0 auto 15px auto !important; }\n  .prusa-scaling-avatar { height: 100% !important; width: 100% !important; border-radius: 50% !important; object-fit: cover !important; }\n\n  \/* Forced Spacing for Card Headings *\/\n  .prusa-card h4, .prusa-card h3 { margin-top: 15px !important; margin-bottom: 8px !important; }\n  .prusa-secure-card { background: #fdfdfd !important; border: 1px solid #eee !important; border-radius: 8px !important; padding: 20px !important; border-top: 3px solid #fa6831 !important; height: 100% !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"prusa-page\"\u003e\n\u003cdiv style=\"text-align: center; margin-bottom: 30px;\"\u003e\n\u003cdiv class=\"prusa-tag\"\u003eUpgrade Kit\u003c\/div\u003e\n\u003ch2\u003eCORE One L → CORE One L+ Upgrade Kit\u003c\/h2\u003e\n\u003ch3 style=\"color: #666 !important;\"\u003eTwo changes that make every print look better.\u003c\/h3\u003e\n\u003cp style=\"max-width: 760px; margin: 20px auto !important;\"\u003eA small, easy-to-install kit that brings an existing Original Prusa CORE One L up to CORE One L+ specification. You get the new GT1.5 belts and pulleys plus the integrated nozzle wiper — the two hardware changes that account for the visible print-quality difference between the two machines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #fff6f2; border: 1px solid #fa6831; border-left: 5px solid #fa6831; padding: 16px 20px; border-radius: 6px; margin-bottom: 40px;\"\u003e\n\u003cp style=\"margin: 0 !important; color: #111 !important;\"\u003e\u003cstrong\u003ePreorder — expected to ship Mid-October.\u003c\/strong\u003e Order now to hold your place in line. \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"prusa-group-label\"\u003eWhat's in the Kit\u003c\/div\u003e\n\u003cdiv class=\"prusa-grid-3\"\u003e\n\u003cdiv class=\"prusa-card\"\u003e\n\u003cdiv class=\"prusa-tag\"\u003eMotion\u003c\/div\u003e\n\u003ch4\u003eBelts \u0026amp; pulleys GT1.5\u003c\/h4\u003e\n\u003cp style=\"font-size: 0.9rem !important; margin: 0 !important;\"\u003eA complete set of the finer-pitch GT1.5 belts and matching pulleys used on the CORE One L+.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"prusa-card\"\u003e\n\u003cdiv class=\"prusa-tag\"\u003ePrint Start\u003c\/div\u003e\n\u003ch4\u003eNozzle wiper\u003c\/h4\u003e\n\u003cp style=\"font-size: 0.9rem !important; margin: 0 !important;\"\u003eThe integrated wiper assembly that cleans the nozzle before the first layer goes down.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"prusa-card\"\u003e\n\u003cdiv class=\"prusa-tag\"\u003eHardware\u003c\/div\u003e\n\u003ch4\u003eSpare nylon rivets\u003c\/h4\u003e\n\u003cp style=\"font-size: 0.9rem !important; margin: 0 !important;\"\u003eReplacements for the rivets disturbed during installation, so you are not hunting for parts mid-job.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"prusa-group-label\"\u003eWhat It Does\u003c\/div\u003e\n\u003cdiv class=\"prusa-grid-2\"\u003e\n\u003cdiv class=\"prusa-card\"\u003e\n\u003ch3\u003eSmoother-looking surfaces\u003c\/h3\u003e\n\u003cp style=\"margin: 0 !important;\"\u003eThe GT1.5 belts make unwanted repeating patterns finer and much harder to notice. On a 300 × 300 mm bed you are usually printing large, smooth faces — exactly where even subtle vertical fine artifacts stand out most.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"prusa-card\"\u003e\n\u003ch3\u003eCleaner print starts\u003c\/h3\u003e\n\u003cp style=\"margin: 0 !important;\"\u003eThe nozzle wiper removes filament residue from the nozzle before printing begins. Fewer loose strands and small blobs dragged onto the first layer, and a more consistent pre-print calibration every time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"prusa-group-label\"\u003eWho It's For\u003c\/div\u003e\n\u003cul class=\"prusa-list\"\u003e\n\u003cli\u003eYou already own an Original Prusa CORE One L and want it printing to CORE One L+ standard.\u003c\/li\u003e\n\u003cli\u003eYou print large, flat-faced parts — panels, enclosures, cosplay shells, display pieces — where surface artifacts show.\u003c\/li\u003e\n\u003cli\u003eYou run the machine unattended and want a cleaner, more repeatable start to every job.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"prusa-group-label\"\u003eCompatibility \u0026amp; Installation\u003c\/div\u003e\n\u003ctable class=\"prusa-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible with\u003c\/td\u003e\n\u003ctd\u003eOriginal Prusa CORE One L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNot compatible with\u003c\/td\u003e\n\u003ctd\u003eCORE One \/ CORE One+ (see the CORE One+ to Gen 2 upgrade kit instead)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResult after installation\u003c\/td\u003e\n\u003ctd\u003eCORE One L+ hardware specification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAssembly\u003c\/td\u003e\n\u003ctd\u003eSelf-install, guided online manual at help.prusa3d.com\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTools\u003c\/td\u003e\n\u003ctd\u003eStandard Prusa toolset (Allen and Torx keys) — not included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFirmware\u003c\/td\u003e\n\u003ctd\u003eUpdate to the current release after installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"background: #fdfdfd; border: 1px solid #eee; border-left: 4px solid #fa6831; padding: 20px; border-radius: 4px; margin-bottom: 40px;\"\u003e\n\u003cp style=\"margin: 0 !important;\"\u003e\u003cstrong\u003eGood to know:\u003c\/strong\u003e this kit covers the hardware changes only. Every firmware improvement that shipped alongside the CORE One L+ is a free update for your existing CORE One L — you do not need to buy anything to get those.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #111 !important; color: #fff !important; padding: 32px !important; border-radius: 8px !important; text-align: center !important; margin-bottom: 40px !important;\"\u003e\n\u003ch2 style=\"color: #fff !important;\"\u003eBring your CORE One L up to L+\u003c\/h2\u003e\n\u003cp style=\"color: #ccc !important; margin-bottom: 0 !important;\"\u003eOne short afternoon of work, a permanent step up in print quality. Preorder now for Mid-October delivery.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Prusa Research","offers":[{"title":"Default Title","offer_id":42878625251413,"sku":null,"price":49.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/0138\/files\/405fef0b-d25a-4ad0-80cf-f16033274a66.jpg?v=1786926802","url":"https:\/\/www.printedsolid.com\/products\/original-prusa-core-one-l-to-core-one-l-upgrade","provider":"Printed Solid","version":"1.0","type":"link"}