Slic3r 1.3 is free to download from our software library. This free software is a product of Alessandro Ranellucci. The program belongs to System Utilities. The current installation package available for download requires 27 MB of hard disk space. Our antivirus check shows that this download is clean.
From the developer:
Slic3r is the tool 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. It is totally open source and it's independent from any commercial company or printer manufacturer.
You may want to check out more software, such as Repetier-Host or PrusaControl, which might be similar to Slic3r.