Z banding is a frustrating artefact that can ruin 3D printer quality. Even worse, it can be very hard to pin down the root cause and apply a fix. Two of my patrons, Derek and Patrick, have designed well considered potential solutions for Z banding. In this video, I try them out on two of my machines.

Although these specific fixes didn’t improve the print quality of my printers, that doesn’t mean they won’t be suitable for yours. I like the design for each and how they aim to address Z axis problems.

0:00 Introduction

0:41 What is Z banding/wobble?
RepRap forum thread by appjaws1: https://reprap.org/forum/read.php?340...
CNCKitchen video on Z banding effect of bed heating method:    • PID vs Bang-Bang Temperature Control  

1:34 My target printers
Dual Z steppers on Ender 3:    • 3 ways to add a dual Z axis - Includi...  
Input Shaping for Marlin:    • Marlin Input Shaping - Step by step g...  
Z banding test tower: https://www.printables.com/model/3936...

3:16 Community fix 1 printing and assembly
Z-Axis Stepper Motor Mount with integrated Axial Thrust bearing by djos_1475:
https://www.printables.com/model/8858...
Thrust bearing on Amazon: https://amzn.to/3jLgNKa

6:02 Community fix 2 printing and assembly
Z Stepper X-Y Axis Float Cage by Portzal3D
Download on Printables: https://www.printables.com/model/3921...
3mm ball bearing on Amazon: https://amzn.to/3RO4lpK

10:18 Fitment to printers

10:53 Test prints and results

12:02 Conclusion

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