Desperate for 3D printing help!

[xchrisd]

I think your filament has too much counterforce which causes underextrusion.
Or your filament got tangled.

Be sure that your extruder has as less counterforce for feeding as possible.

Observing the print every now and then could be the clue.

Here something to read:

How to do a larger than 3 x 3 matrix level

So here’s my attempt at doing a leveling matrix larger than 3 x 3. Please be advised that this is not for the faint of heart. If you mess up this process you can bury your nozzle into your print surface. I know, I did. I’ll try and tell you how to avoid that. If you aren’t having any trouble with the first layer of printing then this process isn’t for you. I am doing this on an A250, so you may have to change some things for your size Snapmaker. The controller has a version of leveling that the…