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PrusaSlicer

Feature-rich 3D printing slicer

As of 30 August 2026, PrusaSlicer is free to use. PrusaSlicer is an open-source slicer software for 3D printers, based on Slic3r, offering advanced features for FDM and resin printing. Softwr lists it under CAD. PrusaSlicer is made by Prusa Research, launched in 2012, available on Windows, macOS, Linux.

Overview

What PrusaSlicer does

PrusaSlicer is an open-source slicer software for 3D printers, based on Slic3r, offering advanced features for FDM and resin printing.

What people use it for

  • Preparation of STL models for 3D printing
  • Multi-material printing preparation
  • G-code generation and customisation via macros

The honest half

Where it falls short

Concrete and checkable, so you can decide whether any of them matter to you. This is the half of a review a vendor will not write about PrusaSlicer.

  • Limited to slicing workflow only; no interactive 3D design capabilities
  • Designed for RepRap-based printers; compatibility with other printer architectures varies

Cross-shopped

What people choose instead of PrusaSlicer

Each pairing was judged by two reviewers asking whether a buyer would genuinely weigh the two against each other. The ones that failed were deleted rather than published.

Capabilities

Features

  • Automatic supports

  • Multi-material

  • Variable layer height

  • Custom G-code

  • Paint-on supports

  • Ironing

  • Prusa printers

    Integration with Prusa printers

  • Most FDM printers

    Integration with Most FDM printers

  • Open source

    Open source security feature

  • Windows support

    Available on Windows

  • MacOS support

    Available on macOS

  • Linux support

    Available on Linux

Answered, with sources

Questions people ask

Each answer names the page it came from, so you can check it rather than take our word for it.

How much does PrusaSlicer cost?

PrusaSlicer is completely free and open-source software developed by Prusa Research.

Source

Behind it

Who makes PrusaSlicer

Company
Prusa Research
Based in
Prague, Czech Republic
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Where to go from PrusaSlicer

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Softwr does not host reviews and shows no star rating for PrusaSlicer, because a rating we did not collect is not ours to publish. What is here is the pricing and platform detail from the vendor’s own pages, limitations we could state concretely, and alternatives a reviewer confirmed people weigh against it. Tell us if any of it is wrong.

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