Prusa Silver NylonG Glass Fiber Filament - 2.85mm (3kg)

The Original Prusa MK4S 3D Printer Kit delivers high-speed precision for makers. It features a 360° cooling system that prints overhangs up to 75°, a high-flow nozzle that reduces print times, and an intuitive setup that enables printing in 15 minutes with consistent dimensional accuracy.

  • Achieve flawless overhangs without supports
  • Accelerate printing with optimized firmware
  • Start printing in 15 minutes
List Price: $380.00 (with add-ons)
Availability: Currently Unavailable
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Product No. M-DNW-C0NK
Assembly: Fully Assembled
Fully Assembled
Kit

Original Prusa MK4S 3D Printer Kit

High-Speed Precision for All Makers

The Original Prusa MK4S 3D Printer Kit is the ultimate solution for makers and professionals seeking high-speed, precision 3D printing. Building on the renowned MK4 model, the MK4S boasts enhanced print accuracy, faster production speeds, and a robust 360° cooling system. Designed for seamless operation, it offers an easy setup process, allowing you to start printing in just 15 minutes. With its sturdy build and advanced technology, the MK4S ensures durable, top-quality prints while supporting a wide variety of materials, from PLA to flexible TPU. Whether you're a beginner or a seasoned pro, the MK4S is the perfect choice for creating anything from intricate models to industrial-grade parts.

Key Features of the Original Prusa MK4S 3D Printer Kit:

  • 360° Cooling System: Print overhangs up to 75° without supports, saving time and material.
  • High-Speed Performance: Achieve faster print times with the high-flow nozzle and optimized firmware.
  • Exceptional Print Accuracy: Consistently delivers precise models with unmatched dimensional accuracy.
  • User-Friendly Setup: Start printing in just 15 minutes with an intuitive calibration process.
  • Material Versatility: Handle a variety of filaments, including flexible TPU and carbon-filled materials.

Fast and Precise Results without Compromise

The Original Prusa MK4S ensures reliable, high-quality prints for all your creative and professional projects. Building on the success of the MK4, it brings enhanced precision and faster print speeds with advanced features.

  • Achieve faster, more accurate prints with the improved high-flow nozzle and firmware optimizations.
  • Experience superior cooling efficiency with 360° cooling technology.
  • Trusted by hobbyists and industry professionals for its consistent and dependable results.

Perfect for Pros and Beginners

The MK4S is designed to meet the needs of both newcomers and seasoned professionals. Its user-friendly interface ensures an easy start for beginners, while its reliable performance suits demanding professional environments.

  • Start printing in just 15 minutes with simple setup and quick calibration.
  • Intuitive user interface makes operation seamless, even for first-time users.
  • Built for reliability, making it ideal for both home use and professional workshops.

Unmatched Print Quality

The MK4S combines speed and precision, ensuring that faster print times never come at the cost of quality. With fine-tuned features and optimized workflows, it consistently delivers accurate, high-quality models, earning a perfect 30/30 Print Quality score from TechRadar.

  • Achieves industry-leading print quality without compromising speed.
  • Fine-tuned features deliver highly precise and detailed models.
  • Recognized by TechRadar with a perfect 30/30 Print Quality score.

Perfect Dimensional Accuracy

The MK4S ensures your designs come out exactly as intended, making it ideal for projects requiring a perfect fit. With exceptional precision, it consistently delivers accurate prints, as confirmed by CT scan comparisons.

  • Ensures precise prints for projects requiring exact dimensions.
  • Ideal for engineering applications and functional prototypes.
  • Accuracy validated through CT scan measurements.

360° Cooling – Print without Supports

Boost efficiency and save material with the MK4S's advanced 360° cooling system. This innovation allows for overhangs up to 75° without supports, simplifying complex designs and reducing production time and costs.

  • Print complex overhangs up to 75° without needing supports.
  • Cut down on material usage and reduce print times.
  • Simplifies the process of printing flexible materials like TPU.

Solid & Durable Prints

The MK4S delivers prints built to last, with superior strength and reliability. Its advanced cooling fan and high-flow nozzle ensure excellent layer adhesion for durable results, whether you're prioritizing speed or maximum sturdiness.

  • Achieve strong, long-lasting prints with excellent layer adhesion.
  • High-flow nozzle supports faster and more reliable printing.
  • Choose from various print profiles for optimal speed or durability.

Perfect Surface Finish

The MK4S ensures your models come out smooth and visually appealing, thanks to print profiles that prioritize flawless surface finishes. With adjustable layer heights, you can tailor your prints for intricate details or faster production of larger objects.

  • Achieve smooth, high-quality surface finishes for your prints.
  • Adjust layer height for fine details or quicker results.
  • Compatible with 0.25mm nozzles for intricate model precision.

World-Class Print Speed

The Prusa MK4S delivers remarkable print speeds, earning praise from Tom’s Hardware for being "pretty darn fast." Its advanced cooling system and high-flow nozzle work together with optimized firmware to substantially reduce print times without compromising quality.

  • Fast printing without sacrificing precision and detail.
  • Advanced 360° cooling and high-flow nozzle for efficient filament flow.
  • Optimized firmware and print profiles for faster, flawless results.

Seamless Workflow

The MK4S makes it easier to manage your printing projects with remote control capabilities. Thanks to its ethernet port, Wi-Fi with NFC setup, and secure Prusa Connect system, you can control your printer from anywhere, while also maintaining full offline functionality for added security.

  • Remote control via ethernet, Wi-Fi, and NFC setup.
  • Manage printers securely through Prusa Connect or the mobile app.
  • Option to operate fully offline for maximum security.

Advanced Materials

The MK4S is compatible with a wide range of filaments, including PLA, PETG, ASA, carbon-filled materials, and flexible TPU. Its direct drive Nextruder makes it easy to print with TPU, enabling you to create flexible projects, while the option to use an Enclosure helps optimize material performance.

  • Compatible with PLA, PETG, ASA, carbon-filled filaments, and TPU.
  • Direct drive Nextruder enables easy TPU printing.
  • Use an Enclosure to get the most out of your materials.

Original Prusa MK4 vs MK4S

The MK4S takes everything great about the MK4 and enhances it with advanced features for even better performance. With innovations like a new 360° cooling system, a high-flow nozzle, and improved print speeds, the MK4S sets a new standard in 3D printing.

  • The MK4S includes a high-performance 360° cooling system and high-flow nozzle as standard.
  • Native iOS/Android app with easy NFC Wi-Fi setup enhances connectivity.
  • Optional accessories like the GPIO hackerboard and accelerometer cater to advanced users.

Open Design for Simple Maintenance

The MK4S features an open design, allowing for easy access to all parts, making maintenance straightforward and efficient. With over 700 printers running 24/7 in our farm, the MK4S is built for long-term reliability, and all components can be removed using just a set of Allen keys.

  • The open “bed-slinger” design ensures easy access to all parts for quick maintenance.
  • No welded or glued parts, making disassembly simple with just a set of Allen keys.
  • Built to withstand continuous operation with minimal downtime.

Designed for Offline Use

The MK4S is designed to operate entirely offline, allowing users to configure and use the printer without the need for internet connectivity. For environments requiring the highest level of security, the Wi-Fi module can be easily unplugged, ensuring complete control over the printer.

  • The MK4S can be fully configured and operated offline.
  • The Wi-Fi module can be easily unplugged for secure environments.
  • No drawbacks or limitations to offline use.

The Nextruder & 32-bit Platform

The MK4S is powered by an internally developed 32-bit embedded platform and features the next-generation Nextruder. This combination ensures enhanced performance, smoother operation, and greater reliability for all your 3D printing projects.

  • The MK4S features an internally developed 32-bit embedded platform for better performance.
  • The Nextruder is the next-generation extruder for smoother and more reliable prints.
  • The combination of both provides improved efficiency and consistency.

MMU3: Multi-Material Printing

The MMU3 is an optional add-on for the MK4S that enables multi-material printing with up to 5 colors simultaneously. With a new design featuring reinforced metal and plastic parts, the MMU3 delivers faster, more efficient prints with reduced filament waste, making it an excellent choice for complex projects.

  • The MMU3 supports up to 5 colors/materials, streamlining multi-material prints.
  • Fast filament changes and optimized nozzle cleaning reduce downtime.
  • The MMU3 is up to three times more efficient in managing filament waste than other multi-material systems.

Enclosure: Stabilized Printing Environment

The Enclosure is an ideal accessory for printing with advanced materials, creating a controlled, draft-free environment for more consistent results. It helps maintain higher temperatures, making it essential for materials like ASA, ABS, and PC, while also offering an optional high-performance filtration system.

  • The Enclosure stabilizes the printer's environment, ensuring optimal print conditions for advanced materials.
  • It helps eliminate drafts and odors, making the printer quieter during operation.
  • The filtration system removes ultra-fine particles, enhancing print safety and air quality.

Versatile Applications of the MK4

The Original Prusa MK4 is a versatile 3D printer suitable for a wide range of applications, from home projects to professional use. Whether you're printing household items, enhancing hobbies, or creating prototypes for industries like automotive and education, the MK4 provides the flexibility and reliability you need.

  • Perfect for creating household items, home decor, and garden projects with free models available online.
  • Ideal for hobbyists, makers, cosplayers, and designers to share and download creative 3D models.
  • Used in manufacturing, education, architecture, and automotive industries, making it a trusted tool for various sectors.

Technical Specifications of the MK4S

The Original Prusa MK4S is engineered with high-performance components for precise and reliable 3D printing. Below are the detailed technical specifications that define its capabilities, from build volume to power consumption.

Key Specifications:

  • Build Volume: 250 x 210 x 220 mm (9.84 x 8.3 x 8.6 in)
  • Max Nozzle Temperature: 290 °C (554 °F)
  • Max Heatbed Temperature: 120 °C (248 °F)
  • Filament Diameter: 1.75 mm
  • Layer Height: 0.05 - 0.30 mm

Electronics and Extruder:

  • Mainboard: Custom 32-bit xBuddy electronics with STM32
  • Stepper Motors: Precise 0.9° X,Y stepper motors (prevents VFA)
  • Extruder: Nextruder, Direct Drive, E3D V6 compatible
  • Cooling Fan: High-performance turbine with 360° cooling system
  • Nozzle: High-flow Prusa Nozzle brass CHT - 0.4 mm

Print Surface & Calibration:

  • Print Surface: Magnetic heatbed with removable PEI spring steel sheets
  • Bed Calibration: Automatic, Mesh Bed Leveling (only on print area)

Connectivity & Controls:

  • LCD Screen: 3.5" graphic 65k color screen
  • Connectivity: NFC receiver, optional ESP Wi-Fi module (delivered with printer)
  • Print Medium: USB drive / LAN / internet via Prusa Connect

Power & Consumption:

  • PSU: 240W, custom made by Delta with Power Panic HW
  • Power Consumption: PLA settings: 80W / ABS settings: 120W

Supported Materials:

  • PLA, PETG, Flex, PVA, PC, PP, CPE, PVB
  • With Enclosure: ABS, ASA, HIPS, PA

Included in Basic Package:

  • Original Prusa MK4S
  • Smooth PEI Print Sheet
  • 2x 25g Prusament Sample
  • Toolset: Uni-wrench, wrench, pliers, keys
  • 3D Printing Handbook, USB drive with sample prints
  • Alcohol-saturated wipes, acupuncture needle, spoolholder, lubricant for bearings

Warranty Notes:

  • Consumable parts like print sheets are not covered by the warranty due to expected wear and tear.
  • Cosmetic damage is not covered unless caused by defects at delivery.

Questions View All Responses

What is the percentage of glass fiber in the nylon?

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The data sheet says the coefficient of thermal expansion is “ 0,1 10⁻⁴ / K”. If I assume the European convention for comma rather than decimal point I would read this as 0.1 x 10⁻⁴. Normally CTE is expressed in units of 10⁻⁶ meters/meter. Is the CTE of this material really half that of aluminum and 1/10 of that of most nylons, 10 x 10⁻⁶? As a liquid, it would have the CTE of regular nylon but as it cools, the glass puts the nylon into severe strain, probably why it is difficult to print. Clearly a bed temperature and heated environment will be critical, and cooling should be gradual and uniform. But really the amazing fact is that this CTE is less than 1/2 that of Aluminum, 23.6x10⁻⁶ and nearly that of Titanium, 9.7x10⁻⁶! The plot of CTE over temperature is a necessary component of the spec sheet. Does water absorption cause the printed parts to crack? Thanks!

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Using a stock Ender 3 Pro. What additional upgrades would be necessary to maximize print quality for NylonG?

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how well can the white nylonG transmit light? As in, Will it allow me to illuminate the print with a light source on the inside? trying to avoid clear PETG and need a stiffer polymer, so despite the vulnerability to UV light, uncoated, this material was suggested to me

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Does this filament need an enclosure to print properly?

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The technical data sheet states a "linear mould shrinkage" of 0.3. 1) Does this mean 0.3%? 2) Does the Matter Control slicer software scale up my model by 0.3% in order to accommodate the shrinkage in the final print, or is this something I should account for manually? 3) Is there a recommended cooling / curing process for the NylonG material so that I know that after a certain amount of time, shrinkage is largely over?

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Can you please explain what are the best practices to prevent white NylonG from getting yellowish after print?

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I've bought a roll of this filament and so far every attempt to print a file with it has failed to adhesive to the build plate. I've tried garolite and retraction speed and distance whats the settings on that for ender3 v3 ke

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does anyone know what the best support spacing is for top and bottom for z axis only?

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Is there an approved annealing process for this filament? No matter how much magigoo i use chamber temp, i get minor warping (parts i'm printing take 24 hrs +). I would like to relieve the internal stresses to hopefully straighten my parts out.

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Is this a pa6, 66, 12 or something different?

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The data sheet says the tensile strength is 95 MPa using ISO 527. Other manufacturers publish 3 strength values: xy, yz, xz. as a 3D printed structure is non-isotropic. (Meaning the material strength properties are different in each direction). The weakest direction, I suppose, is the direction that tests layer adhesion. Can you give me a better idea of how the material was tested? Were printed test samples used or molded samples, etc...

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Can a Ender 3 with Micro Swiss hotend and extruder print Nylon G with stock thermistor and heat canister?

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We print straight out of our let it start dehydrating for about an hour or two at 75 c max setting I just set the time for 12 hours and after an hour or two we start our printers and we feed directly into our enclosed printers on garolite with magigoo pa and hardened nozzle all metal hotend and just let it print

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First print we did was perfect at 260c bed at 75c. I’m using a carbon fiber print bed and magigoo PA adhesive. I am using an extremely modified Ender6 with a slice engineering mosquito magnum with a Bondtech DDX extruder. Seems to me the extruder is as important as any other settings as your Esteps must be perfect. My only dislike is the orange is not as bright as it shows in samples. Amazing filament.

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How much does the spool weigh for .5kg/1.75 ?

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For everyone talking this product down…Try HARDER!!!! It’s by far my favorite material and the finish is insane ONCE you figure it out lol..you will see a nice glitter finish and 0 layer lines…I went through rolls with of this stuff until I got it…TRY HARDER…I promise it’ll be worth it in the end…I print on a modded ender 3 with or w/o an enclosure sometimes, I’ve successfully printed “big” entire build volume models …trust me I was pissed AF for a long time until I figured it out lol…

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You appear to no longer carry Dupont Zytel. How does this compare, especially with settings?

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This filament have the same warping problem like Nylon X ??

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I am trying to print apart using black NylonG. I have made 3 attempts so far and each time The part warps and one of the corners comes loose from the bed. With each attempt I make it further into the print but end up with the same result. I’m using a CR10s pro with no part cooling fan with printer in an enclosure and an internal temp of 35c inside enclosure. First attempt: Glass bed, @ 60c, nozzle 260c, NANO polymer adhesive from VisionMiner, printed with a brim and used recommended feeds recommended from MatterHackers. Second try: same as before but 80c on bed Third try: 90c bed temp, 25% feed rate on first layer, 50% second then 100% for remainder. I have used about 375g of material thus far. I am using 100% infill for this part which I’m share doesn’t help. Any recommendations?

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I have never printed with nylon so, I am learning about it. Why do you need to dry it? Is it because it has a lot of moisture in it from the factory or do you have to do this every time?

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Can the glass fibers fall out during printing or when you touch it like with Colorfabb XT-CF20, I'm really scared of breathing in or getting glass fiber splinters with this. The only hazard i see is a burn hazard on the safety data sheet.

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Went through almost 2 spoils of nylon G now . I have a flashforge creator pro upgraded with all metal hot end and it still isn’t hot enough for good later adhesion . I printed at 40mm/s at 280c and had a decent print but layer adhesion just wasn’t there completely . At least for my Glock frame that is, it seems like you should really be printing this material at 280 plus to get the most out of this material , I even had it sit in the oven for 24 hours at 180c . It is somewhat strong but my PLA plus blows it out of the water as far as strength goes. Do you think I should print with an ender 3 to get better later adhesion since those can go to 300c ?

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Is the 3kg weight the amount of material on the spool? What's the length?

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Can this be printed safely in a standard office with standard ventilation?

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I bought the printdry filament drying system, what would be the best temp to dry this at and for how long?

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