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Open Filament

Supported slicers

OrcaSlicer — import instructions

Download an OpenFilament filament JSON preset and import it with File → Import → Import Configs. Menu names follow OrcaSlicer’s English UI / wiki.

Beta 2.0+, 2.1+, 2.2+ · .json

Download for slicer — OrcaSlicer

What OpenFilament exports

An OrcaSlicer filament user preset JSON (type: filament) with inherits such as Generic ASA @K2 Plus-all, plus temperatures, flow, PA, volumetric limit, cooling and retraction when known.

It does not ship printer or process presets, G-code, or RFID data.

Before you begin

  • OrcaSlicer 2.0+ recommended (Beta)
  • Install/select your printer profile first
  • Optional backup: File → Export → Export Preset Bundle

Download from OpenFilament

  1. Find filament → variant → printer/nozzle → profile.
  2. Choose OrcaSlicer on the Export / Download for slicer page.
  3. Create download and save the .json file.

Import into OrcaSlicer

  1. Open OrcaSlicer.
  2. Choose File → Import → Import Configs (wiki: Preset Configs).
  3. Select the OpenFilament .json filament preset.
  4. Confirm overwrite if a preset with the same name exists.

Select the imported profile

  • Open the Filament dropdown.
  • Locate the user preset (brand / product / colour).
  • If missing: Filament settings → Dependencies — enable your printer/nozzle.

Connect it to physical filament

For an external spool, select the imported filament on the prepare tab. For AMS/CFS-style mapping in Orca, map the slot to this user filament only where your printer profile supports it — OpenFilament does not auto-write RFID.

Verify the import

  • Preset listed under user filaments
  • Printer and nozzle active
  • Temps / flow / max volumetric match
  • Project slices with this filament

Troubleshooting

  • Invalid configuration — ensure JSON (not Prusa .ini).
  • Hidden after import — fix compatible_printers / Dependencies.
  • Wrong inherit base — re-export after choosing a closer printer model.

Remove or replace the profile

Delete the user filament preset in OrcaSlicer, or import a newer OpenFilament download. Prefer distinct revision filenames from OpenFilament.

Known limitations

  • Beta support
  • Filament-only export
  • Inherits Generic @printer-all style bases

Sources and compatibility

  • OrcaSlicer wiki import_export
  • Last structural verification: 2026-08-10
  • Adapter: @open-filament/slicer-orca

Official website · Supported slicers