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I'm a novice in 3D printing. I have a Lulzbot Kittaz 3D printer with a hexagonal hot end of 0.35 mm. I have printed a test subject, and while I was printing I encountered this extrusion problem. I'm using ABS with 230 °C hot end temperature and 85 °C bed temperature. What kind of problem is this and how should I rectify it?

I took this photo when the printer printed the first layer:

First layer of print

1 Answer 1

It looks like you are not extruding at the correct rate. I would check your slicer settings for nozzle and filament size. Also check and calibrate for your filament diameter.

It looks like you could be getting better adhesion too. Lulzbot recommends a 110C bed temperature. That might help. (lulzbot.com/store/filament/abs under specifications)

These are some good resources to troubleshoot prints,

RepRap

All3DP

Simplify3D