free slicer comparison: PrusaSlicer vs Cura vs Slic3r

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I have used 2 different slicers extensively so far: Cura and PrusaSlicer. Both slicers are free, both deliver usable results with the manufacturer's default settings, both have their strengths and hardly any weaknesses.

PrusaSlicer

The PrusaSlicer, formerly Slic3r Prusa Edition, has been constantly improved with numerous updates and new functions have been added, which now makes it stand out from its parent project, the Slic3r. In addition to the clearer interface and the improved print quality, it is very easy to intervene in the printing behavior. To name a few highlights, for example, support can be added or taken away not only automatically, but specifically at certain points. 
In addition, settings for specific areas of the object can be changed: As an example, infill can be increased or decreased in certain places, making the object more stable in critical areas and printing with less material in others. The variable layer height allows the object to be printed with more detail at certain heights.

current version 2.4.2 ( found: 28.04.2022)
Operating system Windows, Mac, Linux
license: free of charge: GNU AGPL (Open Source)
Download github.com/prusa3d/Slic3r/releases

Cura

Cura offers a simple and solid start especially for newcomers. The interface is clean and easy to understand, and the default parameters on the newer versions of Cura offer really good results out-of-the-box. Cura, like all slicers presented here, is licensed under OpenSource and thus available to everyone for free. A highlight of Cura is the printing of simple image files. Depending on the settings, light or dark areas are printed at different heights. Compared to PrusaSlicer, Cura uses a bit less acceleration with the default settings: the movements of a printout made by Cura seem a bit jerkier to me, but this does not harm the quality of the printed objects.

current version 5.0.0 ( found: 20.05.2022)
Operating system Windows, Mac, Linux
license: Free: Free and LGPLv3 (Open Source)
Download ultimaker.com/en/products/ultimaker-cura-software

Slic3r

Slic3r offers everything a slicer needs, but can't quite keep up with the two main competitors in terms of usability and features. Also the print quality was not quite optimal with the default settings. As mentioned in this article, Slic3r was used as a basis for the PrusaSlicer in which numerous improvements were implemented.

current version 1.3.0 ( found: 10.05.2018)
Operating system Windows, Mac, Linux
License: free of charge: GNU AGPL (Open Source)
Download slic3r.org/

Conclusion

As you can see in the article, my favorite is the PrusaSlicer. In terms of quality and usability Cura can absolutely keep up, but for me the decisive advantages of PrusaSlicer, compared to Cura, are the better possibilities to optimize the support or the print object at certain points.

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