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OrcaSlicer / OrcaSlicer

git clone https://github.com/OrcaSlicer/OrcaSlicer.git v2.4.2 · 3mo ago 🔥 on GitHub Trending today

Open-source slicer that converts 3D models into G-code for FDM 3D printers, with profiles for Bambu Lab, Prusa, Creality, Voron and others.

Why you might care

Built as a fork of Bambu Studio and PrusaSlicer, it adds calibration tools, scarf seams, sandwich infill, and support for Klipper, PrusaLink and OctoPrint network printing. Suited to makers who run mixed printer fleets and want fine-grained print tuning in a free, AGPL-licensed app.

Categories

Alternatives

PrusaSlicerBambu StudioCuraSuperSlicer
+7
stars, 24h · #1,860
+110
stars, 7 days · #1,143
+~210
stars, 30 days · #2,389
16k
★ total · +1% this week
3.3k
forks · 2.8k open issues

Star history (as recorded here)

2026-10-20 · 16,040 ★ 2026-10-21 · 16,047 ★
LanguageC++
LicenseAGPL-3.0
Created2022-07-16 (4y ago)
Last pushtoday
Watchers168
OwnerOrganization

Seen on GitHub Trending

  • 2026-10-21 — #9 weekly in c++ · +110 ★
  • 2026-10-20 — #9 weekly in c++ · +103 ★

GitHub topics

Links

README excerpt
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:
 ⚠️ CAUTION: 
Several clickbait and malicious websites, such as orca-slicer[.]com and orcaslicer[.]net , are pretending to be the official OrcaSlicer site. These sites may redirect you to dangerous downloads or contain misleading information. 
 Our only official website is www.orcaslicer.com . 
If you come across any of these in search results, please report them as unsafe or phishing to help keep the community secure with: 
 - Google Safe Browsing 
 - Microsoft Security Intelligence 
 - IPThreat 
# 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 release binaries are code signed; see our Code signing policy.
## Nightly Bu

Blurb generated by claude-haiku-5-5 today. Star deltas marked ~ are extrapolated from partial history.