Orca

What is Orca?

OrcaSlicer is a powerful, free, and open-source 3D printer slicer developed by SoftFever. It is designed for FDM (Fused Deposition Model) printing and supports a wide range of hardware, including printers from Bambu Lab, Prusa, Voron, and Creality. The software is built to handle complex printing tasks with advanced calibration tools and an intuitive interface that scales from beginner to expert use.

This tool is ideal for makers, engineers, and hobbyists who need precise control over their 3D prints. It serves as a comprehensive solution for preparing G-code, managing multi-material setups, and handling network printing. Whether you are running a single printer or a fleet, OrcaSlicer provides the necessary features to optimize slice times and print quality without switching between multiple applications.

Compared to proprietary Windows slicers, OrcaSlicer offers a fully open-source alternative with no licensing fees. It feels modern and responsive, with an interface that prioritizes ease of use while exposing deep technical settings. Users appreciate the lack of bloat and the direct control over print parameters, making it a reliable choice for those moving away from closed-source ecosystems.

Best for: FDM 3D printing enthusiasts and professionals who need a versatile, open-source slicer with support for a wide range of printer brands.

Key features of Orca

• Supports Bambu Lab, Prusa, Voron, Creality, and many other FDM printer brands
• Advanced calibration tools for consistent print quality
• Adaptive layer heights for improved surface finish
• Tree supports for complex geometry with less material usage
• Multi-color and multi-material printing support
• Built-in network printing capabilities for compatible devices
• Intuitive interface suitable for both beginners and experts

Tips for Windows users

If you are coming from Windows slicers like Cura or PrusaSlicer, note that OrcaSlicer uses its own profile format but can often import settings from other slicers. Check your printer's network configuration to ensure compatibility with Orca's built-in network printing. The interface is similar to other modern slicers, so the learning curve is minimal if you are already familiar with slicing concepts. Always verify your specific printer model's support in the application's printer list before migrating your entire workflow.

Recent releases

• 2.4.2 — July 26, 2026

  See the release page for detailed changelog of OrcaSlicer 2.4.2 release.

• 2.4.1 — June 26, 2026

  See the release page for detailed changelog of OrcaSlicer 2.4.1 release.

• 2.4.0 — June 20, 2026

  See the release page for detailed changelog of OrcaSlicer 2.4.0 release.

• 2.3.2 — March 23, 2025

  See the release page for detailed changelog.