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Mslicer is a high-performance, open-source slicer designed specifically for MSLA (masked stereolithography) resin 3D printers. Built with speed and efficiency in mind, mslicer delivers exceptional performance that sets it apart from other slicing solutions.

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What is mslicer?

Mslicer is a complete slicing solution that takes 3D models and converts them into layer-by-layer instructions that your resin printer can understand. It provides a modern, intuitive interface for preparing your models for printing while maintaining blazing-fast slicing speeds.

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Key features

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Exceptional performance

Mslicer is often 20× to 120× faster than competing slicers. This dramatic speed improvement means you spend less time waiting and more time printing. Check out the benchmark results to see how mslicer compares.

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Wide format support

You can export sliced files in multiple formats to ensure compatibility with your printer:
  • Chitu (.ctb) - Including encrypted format support
  • Elegoo (.goo) - For Elegoo printers
  • NanoDLP (.nanodlp) - For NanoDLP-based systems
  • Vector (.svg) - For development and analysis

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Intuitive interface

The modern user interface provides:
  • Real-time 3D viewport with multiple render modes
  • Interactive slice preview with layer-by-layer inspection
  • Configurable dockable panels for customized workflows
  • Resin volume usage and print time estimates
  • Island detection and mesh validation warnings

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Advanced features

  • Printer presets - Pre-configured settings for popular printers (defaults to ElEGOO Saturn 3 Ultra)
  • Mesh validation - Automatic detection of non-manifold meshes and models extending outside the build volume
  • Support generation - Basic support placement with visualization of overhanging faces (currently in development)
  • Async operations - Non-blocking tasks for loading, slicing, and exporting
  • Undo/redo - Full history tracking for settings changes
  • Project files - Save and load your work in progress

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Supported model formats

Mslicer can import:
  • STL files
  • OBJ files
You can add models by going to File → Import Model or by dragging and dropping files directly into the workspace.

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Platform support

Mslicer runs on:
  • Linux (stable releases, Flathub, Nixpkgs)
  • Windows (stable and development builds)
  • macOS (development builds)
For production use, automatic support generation in mslicer is still under development. For now, consider using Runebrace to place supports before importing models into mslicer for slicing.

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Next steps

Installation

Install mslicer on your system

Quickstart

Slice your first model

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