Slic3r

Slic3r is a highly beneficial System Utilities tool specifically tailored for Device Assistants. The latest version, 1.3, developed by Alessandro Ranellucci, brings a robust solution for 3D printing enthusiasts looking to convert their intricate 3D models into precise printing instructions. Available for download as 'slic3r.exe', this versatile utility cuts models into horizontal slices (layers), creates necessary toolpaths, and calculates the amount of material needed for extrusion.

Slic3r boasts remarkable features, including support for various G-code dialects such as Marlin, Repetier, Mach3, LinuxCNC, Machinekit, Smoothie, Makerware, and Sailfish. Being an open-source software, it stands out for its independence from any commercial entities or specific printer manufacturers. Users looking for a free 3D slicing tool will find Slic3r highly advantageous due to its compatibility and comprehensive features. The program is available for a wide range of operating systems including Windows 7, 10, 8, and 11, ensuring a broad user reach and practicality.

The latest version, 1.3, continues to build upon its predecessors (versions 1.2 and 1.1), offering improved performance and usability. Slic3r consistently updates its functionalities, making it a reliable choice for both new users and experienced professionals in the 3D printing community.

Pros:

• Free to use and open-source
• Supports a wide range of G-code dialects
• Compatible with multiple Windows versions
• Regular updates and improvements
• Independent from commercial entities

Cons:

• May have a learning curve for beginners

You may want to check out more software, such as Repetier-Host, which might be similar to Slic3r.