OrcaSlicer: an open source Next-Gen Slicing Software for Precision 3D Prints.
Optimize your prints with ultra-fast slicing, intelligent support generation, and seamless printer compatibility—engineered for perfection.

Official links and community

Official Website:

OrcaSlicer.com

Github Repository:

Follow us:

Join our Discord community:

Main features

• Advanced Calibration Tools
  Comprehensive suite: temperature towers, flow rate, retraction & more for optimal performance.
• Precise Wall and Seam Control
  Adjust outer wall spacing and apply scarf seams to enhance print accuracy.
• Sandwich Mode and Polyholes Support
  Use varied infill patterns and accurate hole shapes for improved clarity.
• Overhang and Support Optimization
  Modify geometry for printable overhangs with precise support placement.
• Granular Controls and Customization
  Fine-tune print speed, layer height, pressure, and temperature with precision.
• Network Printer Support
  Seamless integration with Klipper, PrusaLink, and OctoPrint for remote control.
• Mouse Ear Brims & Adaptive Bed Mesh
  Automatic brims and adaptive mesh calibration ensure consistent adhesion.
• User-Friendly Interface
  Intuitive drag-and-drop design with pre-made profiles for popular printers.
• Open-Source & Community Driven
  Regular updates fueled by continuous community contributions.
• Wide Printer Compatibility
  Supports a broad range of printers: Bambu Lab, Prusa, Creality, Voron, and more.
• Belt Printer Support
  Slice for belt / conveyor (infinite-Z) printers, with belt-aware supports and a tilted-bed preview. Contributed by Joseph Robertson (@HarrierPigeon).
• IDEX/IQEX Parallel Printing Support
  Print copies or mirror images of a part on every carriage of an IDEX or IQEX printer at once, with the mode chosen per plate and nozzle clearance zones shown on the bed. Contributed by Clifford (@cgarwood82).
• Additional features can be found in the change notes.

Wiki

The wiki aims to provide a detailed explanation of the slicer settings, including how to maximize their use and how to calibrate and set up your printer.

• Access the wiki here
• Contribute to the wiki

Download

Stable Release

📥 Download the Latest Stable Release
Visit our GitHub Releases page for the latest stable version of OrcaSlicer, recommended for most users.
Windows and macOS release and nightly builds are code signed.

Nightly Builds

🌙 Download the Latest Nightly Build
Explore the latest developments in OrcaSlicer with our nightly builds. Feedback on these versions is highly appreciated.

How to install

Windows

Download the Windows Installer exe for your preferred version from the releases page. Both x64 and arm64 installers are published — pick the one matching your CPU.

• For convenience there is also a portable build available.

  • If you have troubles to run the build, you might need to install following runtimes:
  • MicrosoftEdgeWebView2RuntimeInstallerX64
    • Details of this runtime
    • Alternative Download Link Hosted by Microsoft
  • vcredist2019_x64
    • Alternative Download Link Hosted by Microsoft
    • This file may already be available on your computer if you've installed visual studio. Check the following location: %VCINSTALLDIR%Redist\MSVC\v142

Microsoft Store

Install from the Microsoft Store when you prefer a Store-signed package (helps on Windows 11 Smart App Control).

Windows Package Manager

winget install --id=SoftFever.OrcaSlicer -e

Mac

1. Download the universal DMG, which runs on both Apple Silicon and Intel Macs.

2. Drag OrcaSlicer.app to Application folder.

3. If you want to run a build from a PR, you also need to follow the instructions below:

This is the beginning of the README. Read the rest at the original. Read the full README ↗