preFlight is an advanced 3D printing slicer built for precision and performance.
Building on the Slic3r legacy as a spiritual successor to PrusaSlicer, it offers exclusive features and a comprehensive under-the-hood overhaul, bringing the entire dependency stack up to modern standards. Given this massive modernization, preFlight has evolved beyond the constraints of the original codebase, making upstream merging irrelevant.
This is free and open source software.
Key Features
- Athena Perimeter Generator – Independent overlap control no other slicer offers
- Interlocking Perimeters – Enhanced Z-bonding without added cost or complexity
- True 64-bit Architecture – No coordinate overflow, no silent failures
- High Precision – Clipper2 compiled with 10-decimal high precision
- In-Memory Processing – No temp files, ~50% less RAM usage
- Modern Stack – C++20, Clipper2, Boost 1.90, CGAL 6.1, OpenCASCADE 7.9, Eigen 5.0
- Cross-platform support – runs under Linux and Windows.
Website: github.com/oozebot/preFlight
Support:
Developer: oozeBot, LLC
License: GNU Affero General Public License v3.0
preFlight is written in C++. Learn C++ with our recommended free books and free tutorials.
Related Software
| 3D Printer Tools | |
|---|---|
| Orca Slicer | Forked from BambuStudio, itself a fork of PrusaSlicer, itself a fork of Slic3r |
| PrusaSlicer | Takes 3D models (STL, OBJ, AMF) and converts them into G-code instruction |
| Cura | State-of-the-art slicer app to prepare your 3D models for your 3D printer |
| SuperSlicer | G-code generator for 3D printers |
| Slic3r | Toolpath generator for 3D printers |
| BambuStudio | Bbills itself as a cutting-edge, feature-rich slicing program |
| Printrun | Suite of hosts for 3D printers and other CNC machines |
| MatterControl | Track, preview, and print your 3D parts |
| mslicer | Currently only ELEGOO .goo files can be generated |
Read the software roundup.
Explore our comprehensive directory of recommended free and open source software. Our carefully curated collection spans every major software category.This directory is part of our ongoing series of informative articles for Linux enthusiasts. It features hundreds of detailed reviews, along with open source alternatives to proprietary solutions from major corporations such as Google, Microsoft, Apple, Adobe, IBM, Cisco, Oracle, and Autodesk. You’ll also find interesting projects to try, hardware coverage, free programming books and tutorials, and much more. Know a useful open source Linux program that we haven’t covered yet? Let us know by completing this form. |

