The Ultimate Guide to Bambu Lab P1S Filament Spool

The Ultimate Guide to Bambu Lab P1S Filament Spool

Welcome to the world of 3D printing with the Bambu Lab P1S, where precision meets performance. Today, we’ll take a closer look at the innovative Bambu Lab P1S filament spool and its remarkable features. From filament spool switchers to eco-friendly designs, this printer is designed to elevate your 3D printing experience to new heights.

Bambu Lab P1S Filament Spool Features

The Bambu Lab P1S is a 3D printer that offers reliable out-of-the-box performance. Let’s explore some details related to this printer and its filament spool:

  1. Filament Spool Switcher & Winder:

    • The Bambu Lab P1S features a purely mechanically controlled filament winder. It’s designed for Bambu Lab P1, X1, X1C, or X1CC 3D printers (but it can also work with Prusa or other printers).
    • This winder allows you to manage your filament spools effectively, ensuring smooth extrusion during printing.
    • You can download the STL model for the filament spool switcher and winder from here.
  2. Bambu Reusable Spool:

    • Bambu Lab has built its entire filament feeding system around a reusable spool design.
    • This design aims to reduce plastic waste in filament consumption by at least 20%.
    • The packaging material is carefully chosen to minimize the use of non-recyclable materials .
  3. Side Mount Spool Holder:

    • If you prefer mounting the external spool on the side for easier access, there’s a side mount spool holder available for the Bambu Lab P1S.
    • The updated version includes a filament guide for smoother filament management.
    • You can find the STL model for the side mount spool holder here.

Bambu Reusable Spool Design Details

Let’s delve into the eco-friendly filament spool design by Bambu Lab.

The Bambu Reusable Spool is a thoughtful innovation that aims to reduce plastic waste in filament consumption. Here are the key details:

  • Materials: The spool is made from ABS material.
  • Temperature Resistance: It can withstand temperatures up to 70°C.
  • Packing Size: The dimensions of the spool are 200 mm x 200 mm x 67 mm.
  • Weight: The spool weighs 250 grams.
  • Design Philosophy: Bambu Lab has built the entire filament feeding system around this reusable spool design, resulting in at least 20% less plastic waste compared to traditional spools.
  • Packaging: The packaging material has been carefully chosen to minimize the use of non-recyclable materials.

Instructions for Using the Printed Spool:

  1. After printing, you’ll have three pieces: a wide piece (1x), a narrow piece (1x), and a spacing shim (2x).
  2. Align the locator (a tiny block on the wide piece) with the notch on the inner ring of the filament roll.
  3. Insert the wide piece into the filament roll.
  4. Insert the narrow piece and align the grooves inside the spool until it’s firmly in place.
  5. Rotate the narrow piece clockwise until it locks into position.
  6. Ensure the spacing shim is installed inside the spool (under the triangle).

Learn more about swapping the new filament with the Bambu Reusable Spool on their Wiki page.

Two transparent plastic discs with a hole in the center are placed next to each other.

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Filament Compatibility and Performance for Bambu Lab P1S Printer

The Bambu Lab P1S printer is designed for reliable and smooth 3D printing performance. Let’s delve into the compatibility and performance aspects of filament for this printer:

  1. Filament Compatibility:

    • The Bambu Lab P1S is compatible with a variety of filaments. Here are some options you can consider:
      • ABS: A durable material suitable for high-temperature printing, including carbon fiber-infused ABS.
      • PETG: Known for its strength and ease of use.
      • PLA-CF (Carbon Fiber): Combines PLA with carbon fiber for added strength.
      • PA6-CF (Carbon Fiber): Nylon-based filament with carbon fiber reinforcement.
      • TPU 95A HF: Flexible filament that works well with the P1S printer.
      • And more—you can explore other materials based on your specific requirements.
  2. Filament Performance:

    • The Bambu Lab P1S offers precise and consistent extrusion, resulting in smooth and blur-free prints.
    • It’s designed to handle long printing sessions, even with challenging materials like carbon fiber-infused filaments.
    • The printer’s motor-to-extruder direct connection enhances control over extrusion and retraction, ensuring accurate results.

Remember to follow the recommended pre-printing preparation steps, including drying the filament if necessary, to achieve optimal results. Each filament type may have specific drying conditions, so refer to the technical data sheets (TDS) for detailed information.

The image is of two spools of filament, one red and one green, with an error message on a screen saying Failed to feed the filament into the toolhead. Please check whether the filament or the spool is stuck. After troubleshooting, click the retry button.

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Quick Start Guide for Bambu Lab P1S 3D Printer

Here’s a quick start guide for the Bambu Lab P1S 3D Printer. Before operating the printer, please review the entire guide and follow the safety precautions:

  1. Safety Notice: Do not connect to power until assembly is complete.

  2. Component Introduction:

    • Air Filter
    • Tool Head
    • SD Card
    • Pause Screen
    • Back Chamber Camera
    • Belt Tensioner
    • Bambu Bus
    • Build Plate
    • Cooling Fan
    • Excess Chute
    • Power Socket
    • Screen
    • Spool Holder
    • Filament Spare
    • Hot End Nozzle Wiping
    • Power Cord
    • Unclogging Pin Tool
    • PTFE Tube
    • Bambu Scraper
    • Allen Key H1.5
    • Allen Key H2
    • Build Plate (Pre-installed)
  3. Spool Holder Assembly:

    • Remove the screws as pictured using an Allen Key H2.
    • Secure the spool holder with two screws from the same Allen Key H2. Attention: Ensure proper alignment.
  4. Hot Bed Unlock & Screen Installation:

    • Remove the three screws with an Allen Key H2 to unlock the hot bed.
    • Insert the screen back into the slot on the printer, following the opening on the back of the screen as pictured.
  5. QR Code Setup:

    • Use Bambu Handy to scan the QR code on the screen.
    • Bind your printer with your Bambu Lab account.
    • Follow the instructions on the screen to complete the initial calibration.
  6. First Print:

    • Select the temperature range for the nozzle.
    • Heat the nozzle to the desired temperature.
    • Manually pull out the filament from the PTFE tube anchor.
  7. Bambu Studio:

    • Download Bambu Studio from here.
    • Log in with your Bambu Lab account (same as the Bambu Online store).
    • Create or open a project.
    • Slice the model, select your printer, and send the model to print.
    • During printing, you can remotely monitor your print or pause/stop printing.

Technical Specifications:

  • Printing Technology: Fused Deposition Modeling
  • Build Volume (WDH): 256256256 mm³
  • Chassis: Steel Body Shell Plastic & Glass
  • Hot End: All-Metal Extruder Gears Steel Nozzle Stainless Steel
  • Max Hot End Temperature: Toolhead Nozzle Diameter (Included) 0.4 mm
  • Filament Diameter: 1.75 mm
  • Dimensions (W×D×H): 389389458mm³
  • Net Weight: 12.95kg
  • Input Voltage: 100-240 VAC, 50/60 Hz
  • Max Power: 1000W@220V, 350W@110V
  • USB Output Power: 5V/1.5A
  • Display: 2.7-inch 192×64 Screen
  • Connectivity: Wi-Fi, Bluetooth, Bambu-Bus
  • Electronics Storage: Micro SD Card
  • Application Control: Button, APP, PC Application Control
  • Motion Controller: Bambu Studio.

For more detailed information, you can refer to the Bambu Lab P1S Quick Start Manual

The fourth step of loading filament into the printer is to push the end of the filament into the extruder until it is gripped by the gears.

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Essential Maintenance Tips for Bambu Labs P1S Filament Spool

Proper maintenance of your Bambu Labs P1S filament spool is essential to ensure optimal 3D printing performance. Let’s dive into some key maintenance tips:

  1. Lubricate the Lead Screws: Regularly apply a high-quality lubricant to the lead screws. This helps keep them running smoothly and prevents wear. Consider using Super Lube for this purpose.

  2. Clean the Hotend: The hotend is a critical component for successful prints. Use microfiber cloths to gently wipe away any accumulated debris or filament residue. Keeping the hotend clean ensures consistent extrusion and minimizes clogs.

  3. Inspect the Filament Path: Check the filament path for any obstructions or tangled filament. Make sure the filament spool rotates freely on the holder. If needed, remove any knots or tangles to prevent printing issues.

  4. Wear Gloves: When handling the printer components, especially the hotend, wear black gloves to avoid leaving fingerprints or contaminating sensitive parts.

  5. Check Belt Tension: Ensure that the belts are properly tensioned. Loose belts can lead to inaccuracies in print dimensions. Use hex keys to adjust the tension as needed.

  6. Dust Off Electronics: Use an air duster to remove dust and debris from the electronics, including the control board and fans. Dust buildup can affect performance and cooling efficiency.

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The left image shows a close-up of the extruder gears, the right image shows the filament sensor.

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In conclusion, the Bambu Lab P1S filament spool stands out as a game-changer in the realm of 3D printing. With its reusable spool design aimed at reducing plastic waste and ensuring smooth extrusion, this innovative approach by Bambu Lab is a step towards sustainable printing practices. By following the maintenance tips and leveraging the diverse filament compatibility of the P1S printer, you can unlock a world of creative possibilities.

Embrace the future of 3D printing with the Bambu Lab P1S filament spool and witness the seamless fusion of technology and eco-consciousness.


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