Filament presets for Bambu Lab

PrinterWhich one is on your desk?

FilamentWhat's on the spool? The number is its flow limit in mm³/s.

PLA

PETG

Elegoo Rapid PETG on the A1

Changes 11 of 13 values in Generic PETG @BBL A1

Nozzle 250°C Generic 255 ▼

Textured plate 70°C Generic 80 ▼

Max flow 13mm³/s Generic 8 ▲

Fan max 80% Generic 90 ▼

Not printer-specificFlow capped from 18K 0.052 for reference

All 13 values and their sources

Setting	Preset	Generic	Source
Nozzle, first layer	250 °C	255 °C	brand profile
Nozzle, other layers	250 °C	255 °C	brand profile
Textured PEI plate, first layer	70 °C	80 °C	brand profile
Textured PEI plate	70 °C	80 °C	brand profile
Smooth PEI plate, first layer	70 °C	80 °C	brand profile
Smooth PEI plate	70 °C	80 °C	brand profile
Max volumetric flow	13 mm³/s	8 mm³/s	brand profile note
Flow ratio	0.99	0.95	brand profile
Part fan, minimum	30 %	40 %	brand profile
Part fan, maximum	80 %	90 %	brand profile
Part fan on overhangs	90 %	90 %	Generic
Slow down below layer time	12 s	12 s	Generic
Density	1.26 g/cm³	1.27 g/cm³	brand profile

Into Bambu StudioSelect every .json you downloaded; several at once is fine.

Inherits from Generic, so Bambu updates still reach it.

Tune to your spoolBambu Studio › Calibration, top to bottom. Type each result; we'll say what to change.

Prints a tower stepping through temperatures. Pick the coolest block with clean overhangs and no strings between the towers.
Measures pressure advance, which Bambu calls K. Run it automatically if your printer offers it, otherwise with the manual pattern.
Two passes of top-surface patches. Pick the smoothest, then type the flow ratio Bambu Studio gives you.
A vase that speeds up as it rises. Note the speed just before the walls turn rough or the extruder clicks.
Gauge STL STEP
Pegs: calipers. Holes: the largest drill shank that slides through, because caliper jaws sit on the printed flats. Why small holes come out worst.
3456810HolePeg

ColourStarted fromSpool dried?Credit me asAnything else