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    INDX 4-Tool Conversion Kit for CORE One+ (Gen2)

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    The INDX is an extremely fast, highly efficient toolchanger system with up to eight independent toolheads that seamlessly integrates with your CORE One+ 3D printer. Each material gets its own dedicated path, so you can combine rigid and flexible parts, use easy-to-remove or dissolvable supports, switch nozzle sizes in the same print, and print multi-color models without throwing half of the spool to waste.

        Online Manual, Handbook (EN) (change)

        New orders will ship in January 2027
        New orders will ship in January 2027
        $693.52
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        IDF: 26167|IDS: 3944

        Bondtech INDX for CORE One+Eight nozzles. True multi‑material. Virtually zero waste.

        The INDX is an extremely fast, highly efficient toolchanger system with up to eight independent toolheads that seamlessly integrates with your CORE One+ 3D printer. Each material gets its own dedicated path, so you can combine rigid and flexible parts, use easy-to-remove or dissolvable supports, switch nozzle sizes in the same print, and print multi-color models without throwing half of the spool to waste.

        What can you achieve with 8 nozzles?

        Multi-material goes beyond color. It lets you build functional parts that combine properties no single filament can deliver.

        Multi‑color without the usual mess
        Multi‑color without the usual mess

        No wipe tower, no piles of plastic around the printer

        Supports that are easier to remove
        Supports that are easier to remove

        Water-soluble or break-away organic supports

        Rigid + Flexible in One Print
        Rigid + Flexible in One Print

        Add a rubber-like grip to functional prints

        Different nozzle sizes always at the ready
        Different nozzle sizes always at the ready

        Have all your favorite materials always loaded

        CONVERSION KIT

        You already own half of it

        If you already have a CORE One+ 3D printer, the INDX is a conversion kit, not a new machine. Install the Smart Head, mount the tool docks, load your filaments. Your existing print sheets, filament collection, PrusaSlicer profiles, and Prusa Connect setup carry over unchanged. Same printer, dramatically more capability.

        CORE One+ with INDX installed, showing tool docking stations

        Lightning-Fast Toolchanger

        Keep all the features of your CORE One+, like high-speed printing and a smart ventilation system, and give it a massive boost with this extremely fast tool-changing system. The INDX toolchanger achieves unbeatable results thanks to rapid induction heating of its nozzles. It doesn't waste time on wipe towers. Only with the INDX, you'll get beautiful, multi-material 3D prints faster than ever before - and with all the benefits only a toolchanger can provide.

        Real Performance Metric

        True Toolchange Time: ~12 seconds per change

        We measure toolchange time from the last extrusion on one material to the first extrusion on the next, on the model itself. This avoids inflated and misleading numbers based on partial steps. The ~12 seconds per change for PLA is the time between when one nozzle leaves the printed part until the second nozzle starts printing.

        Three Major Benefits for Better 3D Printing

        No Wipe Towers / Purge Blocks

        No Wipe Towers / Purge Blocks

        Nearly all multi-material systems place a block in the corner of your print sheet where the nozzle purges excess filament. The INDX doesn't do that. You can use up to 248×205×270 mm for your prints!

        Doors Closed, at All Times

        Doors Closed, at All Times

        Many enclosed printers require you to keep the chamber door open when printing PLA or PETG, eliminating the benefits of the closed chamber. The INDX retains the unique ventilation system, so you can keep the doors closed.

        Use Any Filament You Want

        Use Any Filament You Want

        The INDX is not limited by storage options or proprietary RFID chips. You are completely free to use any spool you like, including all the materials you already know and love.

        Stop Wasting Filament!Cheaper solutions get expensive really quick

        [imageAlt]

        INDX Does Not Create Excessive Waste

        This is how multi-material should be done.

        Nearly every multi-material solution on the market produces excessive plastic waste during filament changes. A cheaper machine might save you money on day one, but you'll pay the difference in wasted filament by month six.

        When INDX swaps materials, it purges around 13 milligrams of plastic (0.013g) to stabilize the pressure inside the nozzle. That means no huge purge structures, no large piles of filament “poop,” and absolute minimum wasted material across long and complex prints. The INDX produces 5× less waste than the most efficient systems and 30× less than standard filament rewinding systems.

        [imageAlt]
        new level of reliability

        Advanced Nozzle Wiper

        Zero attention required even during long print jobs

        The advanced nozzle wiper for induction nozzles helps remove any residue left on the nozzle before printing resumes, improving cleanliness during swaps and reducing the risk of stray blobs affecting print quality. The nozzle wiper is located on a purge collector, where the nozzle deposits the micro-blob of plastic, smaller than a grain of rice.

        This is all the waste INDX generates during filament change!

        This is all the waste INDX generates during filament change!

        Less than a grain of rice (13 milligrams)

        The Amazing Things You Can Create

        Choose from over a million free 3D models at Printables - even single-color objects can be easily painted.

        [imageAlt]
        EXExtrutim

        Canadair CL-415 | Bombardier 415 Super Scooper

        Printables
        Wrigley Field
        MIMiniWorld3D

        Wrigley Field - Ballpark in Chicago

        Printables
        Kaminarimon
        MIMiniWorld3D

        Kaminarimon "Thunder Gate" 雷門 - Asakusa, Tokyo, Japan

        Printables
        Borderlands Mask
        BOBorderlands

        Ripper Mask - Borderlands 4

        Printables

        The Innovations that Drive the INDXOnly one active component - less complexity, lower price, easier to use.

        Smart Active Head

        Fast Induction Heating

        The INDX Smart Head contains an induction coil - just like an induction cooktop. When it picks up a toolhead, it generates a high-frequency magnetic field that heats the nozzle from cold to printing temperature in seconds. When the tool is parked, it cools rapidly. No oozing, no stringing from idle nozzles.

        INDX Smart Head picking up a passive tool with induction heating visualized
        HIGH-FLOW NOZZLES

        Passive Toolheads

        Using passive tools without any electronics is a massive advantage: they are less complex and more reliable. Adding a fifth, sixth, or eighth tool means adding a nozzle and a parking dock - not another full print head. By default, the INDX comes with high-flow 0.4 mm nozzles.

        INDX Smart Head picking up a passive tool with induction heating visualized
        The Dynamic Extruder

        Self‑adjusting grip for different materials

        Soft materials need a gentler grip than rigid, fiber-filled ones. The INDX features a unique mechanism that adjusts the drive gear tension automatically, so you can move from TPU to rigid engineering filaments without stopping to retune the extruder.

        8 materials conveniently loaded

        Always Ready to Print

        Load eight filaments, install different nozzle sizes from 0.25 to 0.8. When you start a print, everything's already ready and loaded. Just pick the right tool. If you like to use different filaments and nozzles, and hate constantly swapping everything around, the INDX is the solution for you.

        INDX Smart Head picking up a passive tool with induction heating visualized

        Choose from hundreds of materials

        The included nozzles are a perfect choice for materials like PLA, PETG, ASA, TPU, PolyCarbonate, PA11 Nylon, PVB, BVOH, and many others - essentially all non-abrasive materials.

        The nozzles are surface-hardened nitrocarburized steel; not designed for long-term printing with abrasive materials. They are rated for 10kg of PETG-CF, or 5kg PC-CF, or 0.5kg Prusament Ultraglow before print quality is affected.

        Shop Prusament
        prusament

        Choose Your Kit

        Both kits include the same Smart Head and docking hardware. You can always add more tools later.

        Starter Kit

        INDX 4‑Tool Kit

        Four nozzles - ready to be upgraded anytime

        • Smart Head with induction coil
        • 4 passive tools with 0.4mm nozzles
        • Docking hardware for CORE One+
        • All mounting parts and PTFE tubing
        • Top cover with automatic ventilation
        Full Setup

        INDX 8‑Tool Kit

        Full 8-material capability from day one

        • Smart Head with induction coil
        • 8 passive tools with 0.4mm nozzles
        • Docking hardware for CORE One+
        • All mounting parts and PTFE tubing
        • Top cover with automatic ventilation
        Effortless Start

        Start Printing in No Time

        Once you install the INDX, the printer will perform a quick calibration, so it can pick up and park all eight tools with absolute precision.

        Effortless Start

        The INDX conversion kit doesn't have the same bed-mounted calibration pin as the Prusa XL. Instead, there is a new toolhead offset calibration system, permanently mounted outside the print area. - Dual-Target Precision: Uses a secondary target to actively cancel background noise, ensuring highly precise sensor readings in any environment. - 20x Faster: Calibration takes just 15 seconds per toolhead - down from hundreds of seconds on the stock XL. - Improved Repeatability: Streamlines setup while delivering highly consistent results.

        EasyPrint
        Any model can be colorful

        It's Easy with EasyPrint and PrusaSlicer

        EasyPrint and PrusaSlicer are two free tools you can use to prepare any 3D model for printing. Both feature easy-to-use tools for virtual painting, so you can turn any model you download into a beautiful, color-rich 3D print. EasyPrint works in your browser or on your phone/tablet and PrusaSlicer is a fully featured software package for Windows, Mac and Linux.

        EasyPrint
        Highly precise physical sensor, no guesswork

        Always Perfect First Layer

        Even with multiple nozzles, the INDX achieves a beautiful first layer without lengthy calibration thanks to the LoadCell sensor. Simply hit Print and let the machine do the rest!

        EasyPrint
        Keep your filaments dry

        Works Perfectly with Prusa USS Drybox

        INDX spoolholders are fully compatible with the Prusa USS Drybox and you can attach all eight of them. This way, you can keep your advanced, hygroscopic materials neatly stored and dry - and have them always ready for a new print job.

        One nozzle is a limit

        Why single-nozzle multi-material has a ceiling

        Shared Melt Zone

        Every single-nozzle multi-material system has the same fundamental problem: one melt zone for multiple materials. Every color change means unloading the old filament, loading the new one, and purging everything in between.

        Expensive Waste

        On complex prints, the waste usually weighs more than the finished object. That's a physical limitation baked into the architecture, not a design choice. You can optimize it, but you can't eliminate it. Even with cheap filaments, you are effectively throwing away your money.

        Trouble with Mixing Materials

        You can't combine materials that create an incompatible environment in the nozzle. Try running TPU through the same hotend as PLA and watch the jams pile up. Different nozzle sizes in one print? Impossible with only one nozzle.

        INDX Toolchanger

        • Each tool has its own nozzle, no need to purge
        • Virtually zero waste, no wipe towers or filament "poop"
        • No cross-contamination between materials
        • TPU, PVA, Carbon Fiber and PETG in one print
        • Works with any filament brand, any spool size

        Single‑Nozzle Systems

        • Single nozzle must purge old material before loading new
        • Purge tower can weigh more than the finished print, large filament "poops" require frequent management
        • Residual material causes color bleeding and contamination
        • TPU jams in shared hotends
        • Space limitations, some systems lack profiles for filaments without proprietary RFID chips

        The Only End-to-End EcosystemUnlock Prusa’s unique toolset

        Prusa’s the only place that has your entire 3D printing workflow covered with free, open solutions. From remote printing with your phone to robust print farm management, you can safely stay in one reliable environment.

        Printables.com

        A global community platform for sharing and discovering 3D models. Free to use, filled with inspiration.

        Visit printables.com

        EasyPrint

        Innovative web-based tool for seamless 3D model slicing. Send sliced models directly to your Prusa printer in just a few clicks from Printables or the Prusa mobile app.

        Learn more about EasyPrint

        Prusa App

        Your 3D printing companion in your pocket. Track print progress, access Printables models, and manage your printers from your phone.

        Learn more about PrusaApp

        PrusaSlicer

        Our powerful slicing software, developed in-house and completely free. Packed with advanced features, optimised for Prusa printers.

        Download PrusaSlicer

        Prusa Connect

        Cloud-based tool to monitor, control, and manage your printers remotely. Whether one printer or a full farm.

        Prusa Connect

        Prusament

        Premium, in-house manufactured filament with unmatched quality control. Every spool comes with its own online quality report.

        Buy Prusament

        24/7 Support

        Expert team support in 7 languages ready to help around the clock, every day of the year.

        Open Source Ethos

        Our hardware, firmware, and software are open-source where possible. Freedom, transparency, and the ability to create without limits.

        Technical Specifications

        System TypePassive toolchanger with induction-heated nozzles
        Max Tools8 on CORE One/+
        Max Nozzle Temperature300 °C
        Filament Diameter1.75 mm
        Compatible Nozzle Sizes0.25, 0.4, 0.5, 0.6, 0.8, 1.0 mm
        Nozzle TypeHigh-flow (CHT), nitrocarburized steel
        Heating SystemContactless induction coil (on Smart Head)
        Temperature SensingWireless and contactless
        Extrusion SystemDynamic Dual Drive (DX) auto-adjusting grip
        Tool CouplingMechanical Maxwell coupling
        Build Volume Impact2mm reduction in X-axis, 15 mm reduction in Y-axis
        Build volume with INDX installed248×205×270mm (X×Y×Z)
        Compatible PrinterPrusa CORE One/+
        Supported MaterialsPLA, PETG, ASA, ABS, PC, PA, TPU, PVA, BVOH,  and other non-abrasive materials  - up to 300°C

        What's in the Box

        Choose the INDX Conversion Kit version that matches your printer. Both include everything needed to install INDX on your CORE One+, with a few differences based on the printer generation.

        Prusa CORE One+Prusa CORE One+ (Gen 2)
        INDX HeadIncludedIncluded
        INDX Tools4× or 8×, depending on selected version4× or 8×, depending on selected version
        Plastic PartsIncludedIncluded
        Top CoverIncludedIncluded
        Spoolholders4× or 8×, depending on selected version4× or 8×, depending on selected version
        Fasteners & Other AccessoriesIncludedIncluded
        Nozzle Cleaning SystemAdvanced nozzle wiper made for induction-heated nozzlesAdvanced nozzle wiper made for induction-heated nozzles
        GT 1.5 belts and matching pulleysIncluded - smoother surfacesNot included - already present on the printer
        Thermal Expansion JointsIncluded - faster print startsNot included - already installed on the printer

        INDX Head

        Prusa CORE One+
        Included
        Prusa CORE One+ (Gen 2)
        Included

        INDX Tools

        Prusa CORE One+
        4× or 8×, depending on selected version
        Prusa CORE One+ (Gen 2)
        4× or 8×, depending on selected version

        Plastic Parts

        Prusa CORE One+
        Included
        Prusa CORE One+ (Gen 2)
        Included

        Top Cover

        Prusa CORE One+
        Included
        Prusa CORE One+ (Gen 2)
        Included

        Spoolholders

        Prusa CORE One+
        4× or 8×, depending on selected version
        Prusa CORE One+ (Gen 2)
        4× or 8×, depending on selected version

        Fasteners & Other Accessories

        Prusa CORE One+
        Included
        Prusa CORE One+ (Gen 2)
        Included

        Nozzle Cleaning System

        Prusa CORE One+
        Advanced nozzle wiper made for induction-heated nozzles
        Prusa CORE One+ (Gen 2)
        Advanced nozzle wiper made for induction-heated nozzles

        GT 1.5 belts and matching pulleys

        Prusa CORE One+
        Included - smoother surfaces
        Prusa CORE One+ (Gen 2)
        Not included - already present on the printer

        Thermal Expansion Joints

        Prusa CORE One+
        Included - faster print starts
        Prusa CORE One+ (Gen 2)
        Not included - already installed on the printer

        Questions & Answers

        If something isn't covered here, reach out via live chat.

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