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Publisher · Open source

Prusa Research

Prusa Research builds 3D printers and publishes PrusaSlicer, the slicing software used to prepare print files. PrusaSlicer is free, open source software under the GNU Affero General Public License version 3.

Licensing at a Glance

  • Open source

  1. PrusaSlicer is described as free and open source; the slicer, profiles and updates are free and funded by Prusa's hardware and filament sales.[1]

  2. The PrusaSlicer source code is licensed under the GNU Affero General Public License version 3.[2]

  3. PrusaSlicer is based on the open source Slic3r project by Alessandro Ranellucci.[3]

  4. All slicing happens locally, and Prusa states the software is suitable for air-gapped environments.[4]

Products

References

  1. PrusaSlicer · prusa3d.com · retrieved 2026-09-27
  2. PrusaSlicer/LICENSE · github.com · retrieved 2026-09-27
  3. PrusaSlicer · prusa3d.com · retrieved 2026-09-27
  4. PrusaSlicer · prusa3d.com · retrieved 2026-09-27
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