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Update · Software

OrcaSlicer 2.5.0 is out: Python plugins, colour mixing and belt printers

The stable OrcaSlicer 2.5 brings plugins, colour mixing, 3D surface textures, belt printers and profiles for the Bambu H2C and A2L.

After alpha, beta and release candidate, OrcaSlicer 2.5.0 has been available as a stable release since 7 November.

Main new features

  • Python plugins: extensions can be installed from a plugin hub in Orca Cloud. A new tab controls what each plugin may access. The developers warn that this is not a sandbox, so only install plugins you trust.
  • Colour mixing: mix new colours from the loaded filaments
  • Texture Displacement: 3D surface textures on models
  • Belt printers: support for printers with a conveyor belt
  • IDEX and IQEX: two to four parts at once on printers with several independent heads
  • Design tab: experimental, for parametric parts
  • Collision volumes: Arrange, brims and travel moves keep clear of obstacles such as bed clips
  • Speed: faster start-up, slicing and export, smarter travel moves
  • New printers: Bambu Lab H2C and A2L, plus mixed nozzle sizes on the H2D and X2D

If you are coming from 2.4, note two changes: Bambu process presets now default to Grid infill instead of Cross Hatch. And features set to “Default” filament now always use the object’s own filament, so older projects may print differently. The Windows build is now signed with OrcaSlicer’s own certificate.

Sources

  1. OrcaSlicer 2.5.0 (Release Notes auf GitHub, 07.11.2026)