Prusa Research
Every FilamentFeed story on Prusa Research — news, reviews, and analysis, newest first.
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Software
PrusaSlicer 3.0 Development Continues: Alpha12 Fixes Crashes, Adds Per-Tool Settings
Prusa Research's second public alpha of the ground-up PrusaSlicer 3.0 rebuild squashes the most common alpha11 crashes and adds per-extruder overrides, a camera toggle, and safer 3MF re-imports.
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PrusaSlicer 3.0's First Public Alpha Ships With a Complete Rewrite and Offline-First Mode
Prusa Research's alpha11 build tears up PrusaSlicer's decade-old codebase for multi-bed projects, a Lua plugin system, and a fully offline mode built for firewalled shops — but SLA slicing and third-party profiles aren't in yet.
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PrusaSlicer 3.0 Preview: The Biggest Overhaul in the Slicer's History
Prusa Research dropped a ground-up alpha rewrite of PrusaSlicer on Sept 1 — new UI, unlimited multi-printer beds, YAML profiles, and a sandboxed Lua plugin system — but it's Prusa-only and not production-ready yet.
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Hackers Repurpose Open-Source Thingino Camera Firmware for DIY Prusa 3D Printer Monitoring
A maker hunting for a cheap webcam turned to Thingino, open-source Linux firmware for budget Ingenic-chipset IP cameras, and scripted his own bridge into Prusa's remote monitoring API before official camera support ships.
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Someone Reverse-Engineered Prusa's INDX Into Real CAD — and It Says a Lot About the Open Community License
A GitHub repo has reconstructed parametric CAD for Prusa's INDX toolchanger from Prusa's own printable mesh and published it as CC BY-SA 4.0 — a share-alike claim that runs straight into the Open Community License, which says any distributed derivative stays under OCL.
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CNC Kitchen's PrusaPATuner Turns Your Bed-Leveling Load Cell Into a Pressure Advance Calibrator
Stefan of CNC Kitchen has released PrusaPATuner, an experimental AGPL-3.0 tool that auto-calibrates pressure advance on Prusa printers by repurposing the nozzle load cell as a back-pressure sensor — no extra hardware, no test prints, no squinting at a calibration tower.
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Prusa Ships Firmware 6.6.2 for CORE One INDX, Fixing Nozzle-Cleaner and Tool-Lock Precision
Prusa's 6.6.2 firmware for CORE One/CORE One+ INDX fixes nozzle-cleaner offset drift and tool-pickup ejection, auto-migrates EEPROM offsets, and adds safety options for lost-tool recovery and Dock Calibration.
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Klipper vs Marlin: 3D Printer Firmware Explained
Marlin runs entirely on your printer's own board; Klipper splits the job with a host computer. Both now do input shaping and pressure control. Here is how the two actually compare — and who ships which one stock.
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Prusa Ships Firmware 6.6.1 for CORE One INDX, Fixing Spontaneous Tool-Head Resets
Prusa's stable 6.6.1 firmware for CORE One/+ INDX toolchangers fixes random tool-head resets and tool-assignment mix-ups after crashes, and adds a bed-lowering safety net for lost tools.
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OrcaSlicer vs. Bambu Studio vs. PrusaSlicer: Which Slicer Actually Wins in 2026?
The slicer landscape in 2026 has fragmented along clear lines: ecosystem loyalty, calibration depth, and hardware compatibility each favor a different tool, and the right answer depends almost entirely on what you are printing on.
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3MF: Why the 3D Printing Industry Is Moving Away From STL
STL has been the default 3D printing format for 35 years. The 3MF format does everything STL does and adds color, material, orientation, and multi-part support — here's why the transition is accelerating.
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Slicer Showdown: Bambu Studio vs OrcaSlicer vs PrusaSlicer — Which Should You Use?
All three major slicers can get plastic on a print bed. Where they diverge is in workflow philosophy, calibration tooling, and how tightly they're coupled to their hardware ecosystems.
