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Process › Others› Advancedsparse_infill_filament

Infill filament

Which filament prints the inner infill. “Default” uses the filament assigned to the object; picking another lets you have a cheap inside with a nice outside, at the cost of spool changes on every layer.

How it works

Infill isn't visible. With the AMS (the multi-spool feeder) you can print it with a cheap or recycled filament and save the good one for the walls and the top and bottom layers.

Every layer with infill adds a filament change with its purge: the print takes much longer and plastic is spent on the tower.

When to change it

  • Almost always: Default.
  • A large box in expensive silk PLA with lots of infill: try a cheap or recycled PLA inside and compare the time.

Typical values

ValueWhat for
DefaultDefaultdefault
Another filamentCheap inside

Watch out for

  • Filament changes usually cost more in time than they save in plastic.
  • With “Flush into objects' infill” turned on, the infill already gets the purge mix.

Goes well with

What Bambu Studio saysits help card, quoted

What Bambu Studio says

Filament to print internal sparse infill.

Bambu Studio tooltip for this setting · AGPL-3.0

Read more at the official source

In your profile0.20mm Standard @BBL A1 · Default

In Bambu Studio, the profile 0.20mm Standard @BBL A1 sets it toDefault

In other slicers

Orca Slicer
InfillMultimaterial › Filament for Features
PrusaSlicer
Infill extruderMultiple Extruders › Extruders
Cura
Infill ExtruderInfill

Names taken from each program's code (Orca Slicer 2.4.2, PrusaSlicer 2.9.6, Cura 5.13.0). Credits