3DPrinting

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3DPrinting is a place where makers of all skill levels and walks of life can learn about and discuss 3D printing and development of 3D printed parts and devices.

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Need help diagnosing benchy problems (imgur.com)

submitted 2 years ago by [email protected] to c/[email protected]

9 comments fedilink hide all child comments

I finally got my printer working again. I spent the whole day going through Teaching Tech's calibration steps. All the flat calibration gcode looks fine. The Benchies are another problem though. I'm printing with a 0.6mm nozzle for the first time.

On the smaller benchy I printed at 0.2 layer height, with a perimeter speed of 40mm/s at 210/60 temps. The bigger one is 110% larger and printed at 0.25 layer height, with a perimeter speed of 60mm/s at 215/60 C.

The problems are mostly manifested in the same area. Big blobs in the rear and layer shifting on the tail pipe. Large layer shifts/bulges in the center. I've never really ran into this problem before so I don't know where to start when diagnosing this.

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[–] [email protected] 3 points 2 years ago (1 children)

Check and make sure that your z screw is not sticking or binding. Also, make sure that the hotend is tightened and there are no gaps where filament can ooze from.

[–] [email protected] 1 points 2 years ago

oh this is so weird. so very weird. look at this picture in particular. Look at the layers weaving up and down well before you get to the big ridges, when they still are... semi-normal. It's not corner curl, it's happening where the bottom is actually still flat. What the actual fuck.