With this simple calibration your prints will be much better
Posted: Tue Mar 21, 2017 9:32 am
here is a video for the Extruder calibration on geeetech i3 pro b 3D printer made by tintek33, hope it helps you to improve your printing quality.
https://youtu.be/fb7lit5ZRq4
https://youtu.be/fb7lit5ZRq4