Free and open-source 3D printing toolbox software for PC

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Slic3r (32-bit)

February, 18th 2025 - 27 MB - Open Source

Free Download

Security Status

Latest Version

Slic3r 1.3.0 (32-bit) LATEST
Review by

Juan Garcia
Operating System

Windows XP / Vista / Windows 7 / Windows 8 / Windows 10 / Windows 11
User Rating

Click to vote
Author / Product

Alessandro Ranellucci / External Link
Filename

Slic3r-1.3.0.32bit.zip
MD5 Checksum

c7def3d32bc70a4c4d9fb78d01779441

Slic3r is the 3d printing software you need to convert a 3D model into printing instructions for your 3D printer.

It cuts the model into horizontal slices (layers), generates toolpaths to fill them, and calculates the amount of material to be extruded. Slic3r 32bit reads STL, AMF, and OBJ files while it can output G-code and SVG files.

All the features of the user-friendly interface are also available from the command line. This allows integrating Slicer in your custom toolchain and batch operations as you like.

Highlights

Open: it is totally open source and it’s independent of any commercial company or printer manufacturer. It wants to keep 3D printing open and free.
Compatible: it supports all the known G-code dialects (Marlin, Repetier, Mach3, LinuxCNC, Machinekit, Smoothie, Makerware, Sailfish).
Advanced: many configuration options allow for fine-tuning and full control. While novice users often need just a few options, Slic3r is mostly used by advanced users.
Community-driven: new features or issues are discussed in the GitHub repository. Join the collaborative effort and help improve it!
Robust: the codebase includes more than 1,000 unit and regression tests, collected in 6 years of development.
Modular: the core of Slicer is libslic3r, a C++ library that provides a granular API and reusable components.
Embeddable: a complete and powerful command-line interface allows to use of Slic3r from the shell or to integrate it in server-side applications.

Key Features

G-code generation for FFF/FDM printers;
Conversion between STL, OBJ, AMF, and POV formats;
Auto-repair of non-manifold meshes (and ability to re-export them);
SVG export of slices;
Built-in USB/serial host controller, supporting multiple simultaneous printers each one with a spool queue;
OctoPrint integration (send to printer);
Built-in projector and host for DLP printers;
Tool for cutting meshes in multiple solid parts with visual preview (also in batch using a grid);
Tool for extruding 2.5D TIN meshes.

Alternatives

PrusaSlicer: Developed by Prusa Research, PrusaSlicer offers similar slicing capabilities with a focus on Prusa 3D printers. It features an intuitive interface and advanced optimization algorithms.

Cura: Cura is another popular open-source slicing software known for its user-friendly interface and extensive customization options. It supports a wide range of 3D printers and offers plugins for additional functionality.

Simplify3D: Simplify3D is a commercial slicing software renowned for its advanced features and optimization tools. It provides comprehensive support for multi-material printing and offers precise control over printing parameters.

Pricing

Slic3r is available for FREE as open-source software, making it accessible to a wide range of users without any financial barriers. There are no subscription fees or hidden costs associated with using this app.

System Requirements

The system requirements for running this app are modest, and it can be installed on most modern computers.

The software is compatible with Windows (11, 10, 8 or 7).

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