Orca Slicer: Smarter 3D Printing Made Simple

Orca Slicer is a free and open-source slicing software designed for FDM (Fused Deposition Modeling) 3D printers. Built on the foundations of PrusaSlicer and Bambu Studio, it combines the strengths of both while introducing its own unique upgrades for a smoother printing experience.

The slicer takes 3D model files such as STL, OBJ, or 3MF and converts them into G-code, the exact set of instructions your 3D printer follows to create objects layer by layer. With its modern interface, optimized performance, and advanced features, Orca Slicer is built to save time while delivering highly accurate results.

Unlike older or complicated slicers, Orca Slicer focuses on speed, precision, and user-friendliness, making it the perfect tool for makers, hobbyists, designers, and professionals who want reliable prints without the learning curve.

Orca Slicer is a free, open-source slicing software built for FDM 3D printers. Based on the power of PrusaSlicer and Bambu Studio, it offers the perfect balance of speed, accuracy, and user-friendliness, making it ideal for both beginners and experienced makers.

The software is available for Windows, macOS, and Linux, and comes with ready-to-use print profiles so you can start printing with confidence.

Key Features of Orca Slicer

  • Open-Source & Free – Completely free to use with continuous community-driven updates.
  • Multi-Platform Support – Works on Windows, macOS, and Linux.
  • Wide File Compatibility – Supports STL, OBJ, and 3MF formats.
  • High-Precision Slicing – Generates optimized G-code for accurate, reliable prints.
  • Customizable Settings – Full control over layer height, speed, temperature, and supports.
  • Multi-Color & Multi-Material Printing – Seamlessly handles advanced printing setups.
  • User-Friendly Interface – Clean design for beginners with advanced tools for professionals.
  • Automatic Updates & Bug Fixes – Actively maintained for better stability and new features.
  • Preview & Analysis Tools – Layer-by-layer preview to check print quality before slicing.
  • Integration with Bambu Studio & PrusaSlicer – Combines their best features with unique enhancements.

The OrcaSlicer Nightly Builds give you early access to the newest updates, experimental features, and performance improvements directly from active development. These builds are perfect for users who want to explore innovations before they are officially released.

⚠️ Note: Nightly builds may not be as stable as official releases. They are mainly intended for advanced users who want to:

  • Test upcoming features in real time
  • Experiment with new tools and performance tweaks
  • Provide feedback to improve future stable versions

If you’re excited to stay on the cutting edge of 3D printing software, the Nightly Builds let you experience tomorrow’s Orca Slicer today.

Looking for an older version of Orca Slicer? Our stable release archive provides access to previous builds that have been fully tested for reliability and performance. These versions are ideal if you need compatibility with older operating systems, specific hardware setups, or prefer a release you’ve already worked with. While they may not include the latest features, they deliver proven stability for consistent, professional-quality 3D printing.

VersionRelease DateWindowsmacOSLinux
v2.3.0(Stable)March 2025Download
Download(Portable)
Download(arm64)
Download(x86_64)
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Download(Ubuntu2404)
aarch64.flatpak
x86_64.flatpak
v2.2.0(Stable)October 2024Download
Download(Portable)
Download(arm64)
Download(x86_64)
Download
Download(Ubuntu2404)
v2.1.1(Stable)June 2024Download
Download(Portable)
Download(arm64)
Download(x86_64)
Download
v2.0.0(Stable)March 2024Download
Download(Portable)
Download(arm64)
Download(x86_64)
Download
v1.9.1(Stable)February 2024Download
Download(Portable)
Download(arm64)
Download(x86_64)
Download
v1.9.0(Stable)January 2024Download
Download(Portable)
Download(arm64)
Download(x86_64)
Download
v1.8.1(Stable)December 2023Download
Download(Portable)
Download(arm64)
Download(x86_64)
Download
v1.8.0(Stable)November 2023Download
Download(Portable)
Download(arm64)
Download(x86_64)
Download
v1.7.0(Stable)September 2023Download
Download(Portable)
Download(arm64)
Download(x86_64)
Download
v1.6.6(Stable)August 2023Download
Download(Portable)
Download(arm64)
Download(x86_64)
Download
v1.6.4(Stable)July 2023Download
Download(Portable)
Download(arm64)
Download(x86_64)
Download
v1.6.3(Stable)May 2023DownloadDownload Apple Silicon
Download Intel signed
Download

Getting started with Orca Slicer is quick and simple, whether you’re new to 3D printing or an experienced maker. Follow these steps to set up and begin your first print:

1. Free & Open-Source

Orca Slicer is completely free to download and use. As an open-source project, it benefits from continuous improvements, community feedback, and regular updates, making it a reliable choice for all users.

2. Remote Monitoring & Control

With built-in support for remote access, users can track print progress and make adjustments even when they’re away from their printer.

3. Wide File Format Support

Orca Slicer supports popular 3D file formats such as STL, OBJ, and 3MF, allowing seamless model imports from almost any design software.

4. High-Precision Slicing

With advanced slicing algorithms, Orca Slicer generates optimized G-code for accurate, reliable prints. This means better surface quality, stronger parts, and fewer failed prints.

5. Customizable Print Settings

Users have full control over print parameters including layer height, speed, temperature, infill, and supports. Beginners can stick to ready-made profiles, while professionals can fine-tune every detail.

6. Multi-Color & Multi-Material Printing

Orca Slicer supports multi-color and multi-material printing, giving makers the flexibility to create complex, colorful, and functional models with ease.

How to Install Orca Slicer

Installing Orca Slicer is quick and easy. Whether you’re using Windows, macOS, or Linux, just follow the steps below to get started.

🪟 Install on Windows

  1. Download the latest Windows installer from the official Orca Slicer download page.
  2. Once the .exe file is downloaded, double-click to start the installer.
  3. Follow the on-screen instructions and choose your installation location.
  4. After installation, launch Orca Slicer from the Start Menu or desktop shortcut.
  5. (Optional) Import or create printer profiles to match your 3D printer.

 Install on macOS

  1. Download the macOS version (Apple Silicon or Intel) from the Orca Slicer download section.
  2. Open the .dmg file and drag the Orca Slicer app into your Applications folder.
  3. If you see a security prompt, go to System Preferences → Security & Privacy → Allow.
  4. Launch Orca Slicer from Applications or Spotlight search.
  5. Set up your printer profile to begin slicing.

🐧 Install on Linux

Standard Package

  1. Download the Linux installer compatible with your distribution (Ubuntu, Debian, Fedora, etc.).
  2. Open a terminal and navigate to your download folder.
  3. Run the following command: sudo dpkg -i orcaslicer-x.x.x.deb # For Debian/Ubuntu sudo rpm -i orcaslicer-x.x.x.rpm # For Fedora
  4. Once installed, launch Orca Slicer from your applications menu.

Flatpak Version

  1. Ensure Flatpak is installed on your system.
  2. Run the following command: flatpak install flathub com.orcaslicer.OrcaSlicer
  3. Start Orca Slicer with: flatpak run com.orcaslicer.OrcaSlicer

🚀 First-Time Setup

After installation:

  • Add your 3D printer profile (or select a pre-configured one).
  • Adjust basic settings like filament type and print quality.
  • Import your 3D model (STL, OBJ, or 3MF) and start slicing.

Orca Slicer is now ready to deliver fast, accurate, and professional-quality prints.

Before downloading Orca Slicer, it’s important to check whether your computer meets the minimum specifications for smooth performance. Orca Slicer is a lightweight yet powerful 3D printing software, but like any advanced tool, it relies on the right hardware and operating system to deliver the best results. Below, you’ll find the detailed system requirements for Windows, macOS, and Linux, along with recommended specs for an optimized printing experience.

PlatformSupported OSProcessorRAMGPUStorageInternet
WindowsWindows 10 / 11 (64-bit)Intel i5 / AMD Ryzen 5 or higher8 GB (16 GB recommended)OpenGL 4.5 compatible (NVIDIA/AMD recommended)1 GB freeRequired for updates & cloud features
Windows PortableWindows 10 / 11 (64-bit)Intel i3 / AMD Ryzen 3 or higher (i5 recommended)4 GB (8 GB recommended)OpenGL 4.5 compatible (integrated GPUs may work)500 MB free (+ extra for cache/projects)Optional (needed for updates)
macOS (Universal)macOS 11.0 (Big Sur) or laterApple Silicon (M1/M2) or Intel i5 equivalent8 GB (16 GB recommended)Integrated/Dedicated GPU with OpenGL 4.5 support1 GB freeRequired for updates & cloud features
macOS (Intel)macOS 11.0 (Big Sur) or laterIntel Core i5 (x86_64) or higher8 GB (16 GB recommended)OpenGL 4.5 compatible GPU recommended1 GB freeRequired for updates & cloud features
LinuxUbuntu 20.04+, Debian 10/11, Fedora 35+ (64-bit)Intel i5 / AMD Ryzen 5 or higher8 GB (16 GB recommended)OpenGL 4.1+ compatible (NVIDIA/AMD recommended)1 GB freeRequired for updates & cloud features
Linux Flatpak (aarch64)Ubuntu 22.04+, Fedora 37+, Debian 12+Intel i5 / AMD Ryzen 5 or higher8 GB (16 GB recommended)OpenGL 4.5 compatible (NVIDIA/AMD recommended)1 GB freeRequired for updates & cloud features
Linux Flatpak (x86_64)Ubuntu 22.04+, Fedora 37+, Debian 12+Intel i5 / AMD Ryzen 5 or higher8 GB (16 GB recommended)OpenGL 4.5 compatible (NVIDIA/AMD recommended)1 GB freeRequired for updates & cloud features

Minimum vs Recommended System Requirements

To get the best experience with Orca Slicer, it’s important to know the difference between the minimum and recommended system specifications. The minimum specs will let you run the software with basic functionality, while the recommended setup ensures faster slicing, smoother performance, and more reliable 3D printing. Use the table below to see which category your system fits into.

ComponentMinimum RequirementsRecommended Requirements
ProcessorIntel i3 / AMD Ryzen 3Intel i5 / AMD Ryzen 5 or higher
RAM4 GB (basic use)16 GB for smooth performance
GPUOpenGL 4.1+ compatible (integrated may work)OpenGL 4.5 compatible (NVIDIA/AMD preferred)
Storage500 MB – 1 GB free space2 GB+ free space (for projects & cache)
Operating SystemWindows 10/11 (64-bit), macOS 11+, Ubuntu 20.04+/Debian/FedoraLatest Windows 11, macOS (M1/M2 optimized), Ubuntu 22.04+
InternetOptional for offline slicingRequired for updates & cloud features

Orca Slicer Won’t Launch

If Orca Slicer doesn’t open, it’s often due to outdated graphics drivers or missing dependencies. Update your GPU drivers, verify OpenGL 4.5 support, and reinstall the latest version to restore proper functionality.

Crashing or Freezing During Slicing

Frequent crashes usually happen when processing large or corrupted models. Simplify your 3D file in CAD software, repair STL errors, or upgrade RAM to reduce processing strain and improve Orca Slicer’s overall stability.

Models Not Importing Correctly

If models import with missing details, the file format may be unsupported or corrupted. Always use STL, OBJ, or 3MF files, and repair broken meshes with tools like Meshmixer or Netfabb beforehand.

G-code Not Printing as Expected

Unexpected print results typically mean printer profiles or settings are incorrect. Recheck bed size, nozzle, and filament parameters, or load Orca Slicer’s default profiles for accurate G-code generation and consistent print performance.

Slow Slicing Performance

Lag during slicing usually indicates limited system resources or overly complex models. Close unused programs, simplify mesh resolution, or upgrade hardware to the recommended specs (16 GB RAM and OpenGL 4.5 GPU) for smoother performance.

Missing or Broken Supports

Improper support placement leads to print failures. Enable auto-support generation or adjust settings manually by changing density, overhang angle, and support type, ensuring your models receive enough structural stability during printing.

Yes! Orca Slicer is completely free and open-source. Anyone can download, install, and use it without restrictions. Updates and improvements are also released regularly at no cost.

Orca Slicer is available for Windows, macOS, and Linux. Portable and Flatpak builds are also offered for flexible installation across different systems.

You can import STL, OBJ, and 3MF files directly into Orca Slicer. It also supports STEP file import, making it easier to work with CAD-based designs.

Yes. Orca Slicer supports multi-color and multi-material printing, making it perfect for creative projects, complex parts, and advanced designs.

Orca Slicer is compatible with most FDM 3D printers. You can use built-in printer profiles or manually configure custom settings for your specific printer model.

Orca Slicer is lightweight, easy to use, and combines the power of PrusaSlicer and Bambu Studio with unique enhancements. It’s fast, reliable, and ideal for both beginners and professionals.

Orca Slicer is more than just slicing software – it’s a powerful, open-source tool built to make 3D printing faster, easier, and more precise. Whether you’re a beginner learning the basics or a professional working on complex projects, Orca Slicer gives you the control, flexibility, and reliability you need.

With cross-platform support, advanced features, and an active community, Orca Slicer continues to evolve as one of the best free slicers available today. Download it, explore its features, and take your 3D printing experience to the next level.