Too much filament (over-extrusion)
3 usi3d guides for “Too much filament (over-extrusion)”, each with the likely causes, how to check which one is yours and the step-by-step fix, with each manufacturer's official sources.
2 apply to any FDM printer and one is for a Bambu Lab printer.
Each guide summarises the official documentation and says whether usi3d has already verified it on a machine.
Any FDM printer (2 guides)
- Measuring filament diameter with calipers and knowing whether to adjust the flow
Extrusion is uneven: areas with gaps and areas with bulges, odd layer lines, the extruder slips or the filament does not pass smoothly through the tube; or you…
- Too much plastic (over-extrusion) and how to calibrate flow
More plastic than needed comes out: the top surface is uneven, with build-up next to the perimeters, bottom surfaces look scarred, and parts that should fit or be glued…
Bambu Lab (1 guide)
- Flow dynamics (K factor) and flow rate calibration in Bambu Studio: when to run it and why it fails
Corners come out rounded or bulging, lines are missing or overlapping, the top surface is rough or blobby, or automatic flow dynamics calibration returns an odd value or…
Products that may help
Products from the usi3d shop that fit these guides, chosen for the fit and not for the commission. Check that they work with your printer before buying.
More “Extrusion” problems
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