Slic3r
slic3r.org
Spec sheet
- Purpose
- Slic3r converts 3D models into printer instructions by slicing models into layers, generating toolpaths, and calculating extrusion amounts.Read 9 Oct 2026 · slic3r.org
- Audience
- The project says Slic3r is mostly used by advanced users, while novice users often need only a few configuration options.Read 9 Oct 2026 · slic3r.org
- Support
- The project directs users to GitHub discussions and its IRC channel for community participation and support.Read 9 Oct 2026 · slic3r.org
- License
- Slic3r is licensed under the GNU Affero General Public License version 3.Read 9 Oct 2026 · slic3r.org
- Founded
- 2011Read 28 Sep 2026 · slic3r.org
- Advanced features
- Features include multiple extruders, variable layer heights, sequential printing, honeycomb infill, mesh cutting, modifiers, and automatic support generation.Read 9 Oct 2026 · slic3r.org
- Command line
- The command-line tool supports batch G-code generation, SVG slice export, model cutting, transformation, repair, and format conversion.Read 9 Oct 2026 · slic3r.org
- Downloads
- The download page offers precompiled official and development packages for macOS, Windows, and Linux; Linux users need the freeglut package.Read 9 Oct 2026 · slic3r.org
- Integration
- Slic3r can send jobs to OctoPrint.Read 9 Oct 2026 · slic3r.org
- Library
- Libslic3r is a C++ library with reusable components and a granular API for building applications on Slic3r algorithms.Read 9 Oct 2026 · slic3r.org
- Machine compatibility
- The project says it supports known G-code dialects including Marlin, Repetier, Mach3, LinuxCNC, Machinekit, Smoothie, Makerware, and Sailfish.Read 9 Oct 2026 · slic3r.org
- Model formats
- It supports conversion between STL, OBJ, AMF, and POV formats and can export SVG slices.Read 9 Oct 2026 · slic3r.org
- Origin
- The Slic3r project began in 2011 within the RepRap community and describes itself as a non-profit, independent community project.Read 9 Oct 2026 · slic3r.org
- Printer control
- A built-in USB/serial host controller supports multiple simultaneous printers, each with a spool queue.Read 9 Oct 2026 · slic3r.org
- Printer types
- It generates G-code for FFF/FDM printers and includes a built-in projector and host for DLP printers.Read 9 Oct 2026 · slic3r.org
Plans and prices
Slic3r Free Free software · macOS, Windows, Linux Read 9 Oct 2026 · slic3r.org
Where Specifiction places it
- 3D Printing Software#25 of 357.7