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Calibration Ball 40 mm – Test Print 3D Printer File Image 1
Calibration Ball 40 mm – Test Print 3D Printer File Thumbnail 1

Calibration Ball 40 mm – Test Print

Tim avatarTim

September 8, 2025

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Description

A simple calibration ball (Ø 40 mm) to test your 3D printer’s dimensional accuracy.
Great for checking roundness, precision, and surface quality.

  • Diameter: 40 mm
  • Fast print, no supports needed
  • Perfect for calibration and tolerance checks
  • Ready-to-print STL

⚙ Tip: Measure the ball with calipers after printing to fine-tune your printer’s accuracy.

License:

Creative Commons — Public Domain

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