Automatic mesh bed levelling is a great addition to 3D printers. It makes the first layer repeatable and convenient, especially with a warped bed. Sometimes it's not the best solution, however, owing to cost or added weight and complexity to the print head. Manual mesh bed levelling is a firmware only solution that can achieves great results for free!

In this video, the need for mesh bed levelling is explained and then a step by step guide is supplied to enable and calibrate the feature on your Marlin based 3D printed. This was a perfect fit for my Seckit SK-GO, where I wanted to keep everything as light as possible.

Seckit SK-Go assembly and test prints:    • SecKit SK-GO assembly and test prints...  
Manual mesh bed levelling Marlin reference: http://marlinfw.org/docs/gcode/G029-m...
M420 Marlin reference: http://marlinfw.org/docs/gcode/M420.html
Chain mail with spikes: https://www.thingiverse.com/thing:336...

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