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  • elegoo

  • edc

  • utility knife

  • functional

  • box cutter

  • utility blade

  • trapezoid blade

Utility Knife (Trapezoidal Blade) - Elegoo Edition

 

I've designed a new version specifically for heavy-duty trapezoidal utility blades (commonly known as Stanley blades). This rugged, fully 3D-printable knife is perfect for tasks where you need the extra rigidity and strength that a solid trapezoidal blade provides.

This model features the striking ELEGOO branding, designed to be printed effortlessly in two colors with a simple layer pause.

 

🌟 Key Features:

  • Trapezoidal Blade Compatibility: Designed to perfectly fit standard trapezoidal utility blades. The internal sliding carriage features custom-designed pins that lock into the blade's top notches for a secure fit.
  • Smooth Sliding & Locking Mechanism: Easily extend and retract the blade. The sliding carriage is designed with an integrated locking feature to hold the blade firmly in position during cuts.
  • Elegoo Branding: Show off your brand loyalty! The embedded "ELEGOO" logo looks incredible when printed with a simple layer color change.
  • Ergonomic & Practical: Features a comfortable grip and a built-in hook hole at the base, making it easy to hang on your pegboard or tool rack alongside your other printed tools.
  • 100% 3D Printed: No extra screws, nuts, or springs required. Just add the blade!

🔩 Required Hardware:

  • 1x Standard Trapezoidal Utility Blade (e.g., Stanley type).

🖨️ Printing Instructions:

  • No Supports Required: All parts are designed to print flat on the build plate.
  • Material: PETG or Tough PLA is highly recommended. The sliding carriage relies on a bit of flex to lock securely, and PETG provides the perfect balance of durability and flexibility.
  • Multicolor Text: To get the highlighted logo effect without an AMS/MMU, simply add a "Pause at height" (color change) command in your slicer right before the top layers of the text start printing.
  • Infill: 30-40% (Grid or Honeycomb) to give the knife a solid feel and prevent flexing.
  • Walls/Perimeters: Use at least 4 wall loops for maximum strength, especially around the blade channel and the pins on the sliding carriage.

Complete your custom Elegoo toolset and never scramble for a box cutter again! Please share your makes and let me know how it performs!

Originality of the Model

The author declares that this work is their personally original model

This model is licensed under the following terms:

Credit must be given to the creator

Only noncommercial uses of the work are permitted

Remixes must be shared under the same license

Models(3)

  • model file image
    Blade key.stlDesigner

    48.81 KB

    2026-06-01

  • model file image
    Elegoo Utility Handle.stlDesigner

    190.61 KB

    2026-06-01

  • model file image
    Elegoo Utility knife.3mfDesigner

    120.38 KB

    2026-06-01

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