Customizable Tolerance Tester [Generator]

Every filament and printer combination has a different tolerance. This generator creates a quick, precise test block with both circular and square pegs to calibrate your specific setup. Get perfect fits every time without wasting hours on failed prints.

 

Boost MeEvery boost helps me to buy more filament to test and develop new free tools for the community! :)

🧠 Behind the Design (For Makers & Moderators)

This is a fully parametric OpenSCAD engineering and calibration utility, not a simple static primitive shape. The algorithm utilizes dynamic for loops and mathematical array processing (e.g., plate_w = (number_of_tests + 1) * spacing) to procedurally generate a custom-sized calibration board. It executes complex boolean subtractions (difference()) with iterative gap offsets (tol = start_tolerance + (i * tolerance_step)) and utilizes conditional string concatenation (str()) to automatically engrave precise tolerance labels for each test node. This ensures dimensional validation accurate to the hundredth of a millimeter, making it an advanced diagnostic tool.

 

🛠️ What can you customize?

• Tolerance Range: Set your starting point (e.g., 0.05mm) and the step size for each hole.
• Number of tests: Generate a quick 3-hole test or a massive 10-hole calibration board.
• Base Size: Change the size of the pegs. Standard is 10mm, but you can scale it up for large mechanical parts.

 

🖨️ Print Settings

• Material: Works for any filament (PLA, PETG, ABS, ASA, TPU).
• Layer Height: 0.20mm is perfect for a standard calibration.
• Walls: 2 or 3 walls to ensure dimensional accuracy.

 

❤️ Share your setup
What tolerance did your printer achieve? Leave a comment with your results and a photo! If you give permission I will add your photo to the model images.

Boost Me

Happy printing! :)

 

MembershipIf you want the legal rights to sell physical prints of this model and all my other designs, please join my Commercial Membership!