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Heavy-duty wall-mounted pull-up bar BRKT(TPU90A) 3D Printer File Image 1
Heavy-duty wall-mounted pull-up bar BRKT(TPU90A) 3D Printer File Image 2
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Heavy-duty wall-mounted pull-up bar BRKT(TPU90A)

case333888 avatarcase333888

May 18, 2026

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Description

Heavy-Duty Doorway Pull-Up Bar Bracket (TPU 90A / 100kg+)

📌 Overview

A high-strength, anti-slip replacement bracket designed to support heavy loads over 100kg (220lbs).

By leveraging TPU 90A, this design provides the perfect balance of compression strength, shock absorption, and high friction against the door frame to prevent slipping. Fully tested and printed on the Bambu Lab A1 mini.

🛠️ Recommended Print Settings

⚠️ CRITICAL FOR STRENGTH: Do not use standard profiles. Follow these structural settings to ensure it handles 100kg+ safely.

ParameterRecommended ValueNote
FilamentTPU 90A or 95ADo NOT use PLA/PETG (Too brittle & slippery)
Wall Loops5 - 6Crucial for perimeter and load strength
Top/Bottom Layers5Increases overall compression resistance
Infill Density45% - 50%Higher density is required for heavy loads
Infill PatternGyroidBest for absorbing multi-directional stress
Print SpeedSlow (20-30 mm/s)Prevents jamming and ensures perfect adhesion

🔧 Installation & Safety Tips

  • Clean Surface: Wipe down the door frame (remove dust/oil) before mounting.
  • Secure Fit: Ensure the telescopic bar applies firm pressure against the bracket.
  • Pre-Test: Always perform a cautious load test close to the ground before your first full workout.

⚠️ Disclaimer

  • This model was successfully tested with a 100kg+ user, but 3D printing results can vary based on filament quality, moisture, and printer calibration.
  • Use at your own risk. Periodically inspect the bracket for wear, deformation, or slipping.
  • Ensure your door frame is structurally solid enough to handle the lateral pressure.

 

License:

Standard Digital File License - Community Use

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