Calibration Guide
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Here you will find a bunch of articles, 3D models and resources to make using and maintaining your printer simpler and easier. 😁
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Temperature Tower Calibration Guide
A temperature tower is a simple yet powerful tool to find the ideal printing temperature for your filament. This step-by-step guide will show you how to set up, print, and analyze a temperature tower to improve your print quality and ensure strong layer adhesion.
What is a Temperature Tower?
A temperature tower is a test print designed to show how your filament behaves at different temperatures. The print is divided into sections, with each section printed at a slightly different temperature. By comparing these sections, you can determine the best temperature for your filament.
Why Use a Temperature Tower?
Each filament has an optimal temperature range, and small adjustments can have a big impact on:
- Stringing: Find the temperature that minimizes stringy artifacts between parts of the print.
- Surface Quality: Achieve smooth and clean surfaces.
- Layer Adhesion: Ensure your layers bond well for strong, durable prints.
How to Print a Temperature Tower
1. Download or Create a Temperature Tower Model
- Download a pre-made model from platforms like Printables or Thingiverse. Look for models that match your printer’s nozzle size and filament type.
- If you’re creating your own, design a vertical structure with distinct sections labeled for different temperatures.
2. Set Up Temperature Changes in Your Slicer
In PrusaSlicer:
- Load the temperature tower model.
- Go to Print Settings > Filament Settings and adjust the temperature for each layer range.
- Use the Variable Layer Height feature to mark where each temperature change should occur.
For example, if testing from 200°C to 240°C in 5°C increments:
- 200°C for layers 0-10.
- 205°C for layers 11-20, and so on.
3. Start the Print
- Use standard settings for your filament, such as bed temperature and fan speed.
- Print the tower and monitor for any anomalies during the process.
Analyzing Your Temperature Tower
Once the print is complete, inspect each section for the following:
| Aspect | What to Look For | Optimal Temperature |
|---|---|---|
| Stringing | Minimal or no fine threads between features. | Temperature where stringing is least noticeable. |
| Surface Finish | Smooth, consistent, and free of blobs or uneven layers. | Temperature with the cleanest surface. |
| Layer Adhesion | Strong bond between layers without brittleness. Test by gently bending the tower to check for breaks. | Highest temperature where layers bond well without excessive stringing. |
Tips for Best Results
- Start with Manufacturer Recommendations: Use the filament packaging or data sheet to find the suggested temperature range.
- Print Slowly: A slower print speed can make it easier to identify temperature differences.
- Dry Your Filament: Wet filament can affect your results, especially with hygroscopic materials like PETG or Nylon.
Recording Your Results
Once you’ve identified the optimal temperature:
- Update your filament settings in PrusaSlicer.
- Save the profile for quick access in future prints.
- Note down the results in a spreadsheet or calibration log for reference.
Troubleshooting
- Uneven Results Across the Tower: Ensure the print bed is level and the nozzle is clean.
- Stringing at All Temperatures: Adjust retraction settings or try a lower nozzle temperature range.
- Weak Layers at Lower Temperatures: Gradually increase the nozzle temperature until layers bond strongly.
Next Steps
Now that you’ve calibrated the temperature, continue refining your settings with a Flow Rate Calibration or explore other guides in this series. For advanced calibration tools, visit inTinker and take the guesswork out of 3D printing!