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Bambu Lab A1 Stiffener

Print Profile(5)

All
A1
H2C
H2S
H2D
P2S
H2D Pro
X2D
A2L
P1S
X1E
P1P
X1 Carbon
X1

A1 Stiffener (Short version) Colored with AMS
A1 Stiffener (Short version) Colored with AMS
Designer
8 h
1 plate
5.0(131)

A1 Stiffener (Short version)
A1 Stiffener (Short version)
Designer
8.1 h
1 plate
4.9(170)

A1 Stiffener (Standard version) PETG HF
A1 Stiffener (Standard version) PETG HF
Designer
10.7 h
1 plate
4.9(52)

A1 Stiffener (Standard version) PLA Basic
A1 Stiffener (Standard version) PLA Basic
Designer
9.3 h
1 plate
4.9(49)
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Open in Bambu Studio
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2413
7873
514
185
4.9 k
3.9 k
Released 

Bill of Materials

Bambu Filaments
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Gray (10103) / Refill / 1kg

Description

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My custom Bambu Lab A1 stiffener design without additional screws

Key Features:

  • Increases frame stiffness and overall printer stability
  • Reduces vibrations and resonance artifacts
  • Improves surface quality and dimensional consistency
  • Designed specifically for A1
  • Easy installation using standard mounting points
  • Optimized geometry for FDM printing
  • Uses only the ST3-8 screws included with the A1
     

Printing Recommendations:

  • Recommended materials: Bambu Lab PLA Basic, Bambu Lab PETG HF
  • PLA Basic works well for maximum stiffness
  • Layer height: 0.16–0.20 mm
  • Perimeters: 3–4 walls
  • Infill: 15–20% (Gyroid recommended)
  • Supports: Not required
  • Just use my profile to print 😉
  • Recommend always drying the filament before printing for better results! 

Updates (7 Jan 2026)

Bambu Lab A1 stiffener Short version print profile:

  • The short version of the stiffener does not protrude beyond the table (along the Y-axis), allowing additional space to be saved.
  • Added a profile that allows printing a colored Bambu logo (using AMS)

Documentation (1)

Assembly Guide (1)
A1 stiffener install guide.jpg

Comment & Rating (514)

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License

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This user content is licensed under a Standard Digital File License.

You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.