Turbo-charge your resin workflow with Elegoo Slicer software. Slice at true 12 K resolution, auto-generate failsafe supports, and start printing in minutes—no command-line kung-fu required.
100 % free, open-source & GPU-optimised. Join thousands of creators who’ve already levelled-up their Elegoo prints.
About Elegoo Slicer
Elegoo Slicer is a next-generation slicing engine that converts your CAD or mesh files into ultra-accurate, printer-ready layers in seconds. Tuned by Elegoo’s R & D team for the Mars, Saturn, Jupiter and Phecda series (including upcoming 12-K LCD modules), it fuses industrial algorithms with a workflow that any maker can master.
Why it matters
- True-to-pixel 12 K rasterisation – each layer is rasterised at the native LCD resolution (up to 11 520 × 5120 px), eliminating interpolation artefacts on micro-details and text.
- GPU-accelerated Turbo Slice – Vulkan/Metal compute kernels push multi-core CPUs and modern GPUs in parallel, cutting slice time by 30–45 % on complex 3-million-facet models.
- Adaptive Layer & Support AI – automatically drops to 10 µm where fine edges demand it, then thickens to 40 µm on flat infills; generates angled tree supports that snap off cleanly but keep prints anchored.
- Fail-Safe Resume & Power-Loss Guard – every LCD frame is checksummed to disk; print resumes from the last good layer even after an outage.
- Cloud Resin Profiles – sync exposure, lift speed and viscosity presets across Windows 11, macOS 13+ and most mainstream Linux distros.
Under the hood
- Engine
- C++ 20 core with Rust plug-in sandbox
- File Input
- STL · OBJ · 3MF · STEP (beta)
- Export Formats
.ctx,.photon,.ctb,.lz4, G-code (FDM test mode)- Licence
- MIT / Apache-2.0 – source on GitHub
- OS Support
- Win 10/11 64-bit · macOS 12+ (ARM & Intel) · Ubuntu 22.04+
Key Features
EVO Support System
Smart, tree‑style supports are calculated to brace every overhang while minimising contact scars. Internal release notches let you snap supports off in seconds.
Adaptive Layer Height
The slicer analyses surface curvature and automatically steps down to 10 µm where fine detail demands it, then jumps to 40 µm on flat infill, delivering smoother prints without extra time.
Node‑Based Workflow
Chain repair → orient → hollow → slice into a reusable recipe. Complex multi‑model jobs become one‑click routines you can share with teammates.
Cloud Resin Library
Official Elegoo and community resin profiles sync across every workstation. Switching materials is literally two clicks—no spreadsheets required.
Native 12 K Accuracy
Layers are rasterised at the LCD’s full 11 520 × 5 120 pixels, eliminating interpolation artefacts and locking micro‑text, knurling and textures exactly as modelled.
Pro‑Grade Mesh Tools
Automatic manifold repair, lightning‑fast boolean cuts, single‑click hollowing and drain‑hole presets—no costly plugins or external apps.
AI Auto Orientation
A machine‑learning routine positions models to minimise supports, peel force and print time while preserving detail on presentation faces.
Multi‑Printer Control
Queue, monitor and push slices to every Mars, Saturn or Jupiter on your LAN. Live dashboards show layer progress, resin use and ETA.
Turbo Slice Engine
GPU‑assisted raster and threaded C++ cores cut slice times by up to 45 % on high‑poly meshes—turning a three‑minute prep into a 90‑second sprint.
Getting Started with Elegoo Slicer v1.1.8.2
Follow this detailed, step‑by‑step walkthrough—from the first download click to a flawless, UV‑cured masterpiece.
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Secure the Correct Installer
Visit our Download Section or the GitHub release page. Select the installer or portable build that matches your OS and CPU architecture. macOS users must pick Apple Silicon (arm64) or Intel x86‑64 appropriately.
Pro Tip: Check the SHA‑256 checksum to guarantee the file is untampered.
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Install, Extract, or Mount
Windows Installer: Double‑click the
.exe; follow prompts. SSD installs boost slice cache performance.Portable ZIP: Extract anywhere writable (e.g.
D:\PrintTools). All settings travel with the folder.macOS DMG: Drag Elegoo Slicer.app into
/Applications; right‑click → Open on first launch.Linux AppImage (beta):
chmod +xthen run—no dependencies required. -
First‑Run Configuration Wizard
The wizard auto‑detects Elegoo printers via USB and LAN, then loads a tuned profile—layer heights, exposure, lift speeds, anti‑alias strength—validated in Elegoo’s lab.
Note: You can add or remove printers anytime via Settings → Machine.
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Import, Inspect & Repair Your Model
Drop STL, OBJ, 3MF, or STEP (beta). The polygon counter warns if the mesh is heavy; accepting Auto Decimate speeds slicing without appreciable detail loss.
Use Analysis → Mesh Integrity to auto‑repair flipped normals, holes, or non‑manifold edges.
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Optimal Orientation
Click Auto Orient → Balanced (ML‑powered) or Preserve Face Detail for figurines. A 30–45° tilt usually minimises layer lines and peel forces.
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Generate Smart Tree Supports
Select EVO – Balanced. Thick trunks anchor to the plate; slim branches cradle delicate features. Remove with Del; add with Shift‑Click.
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Dial‑in Resin Parameters
- Normal Exposure: Fine‑tune ±0.2 s after printing a RERF chart.
- Bottom Exposure: Longer cure for base layers—boost ~20 % in winter.
- Lift & Retract: Balance speed vs. suction; thicker resins require slower lifts.
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Enable Adaptive Layer Height
Adaptive mode prints steep angles at 10 µm and flat surfaces at 40 µm—cutting print time by up to 30 % with no visible loss.
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Slice with Turbo Engine
Geometry Parse → Support Boolean → GPU Raster. An RTX‑class or Apple M‑series GPU slices a 3 M‑facet dragon in ≈90 s.
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Preview, Verify & Export
Scrub layers to spot unsupported islands (highlighted red). Export as CTB/CTX/Photon to USB, or push over LAN to your printer.
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Monitor & Pause Remotely
Job Manager refreshes layer thumbnails every 30 s. Hitting Pause lifts the Z‑axis, letting you safely inspect or clear debris.
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Post‑Processing Mastery
Rinse twice in fresh IPA, air‑blast dry, remove supports, then cure under 405 nm LEDs—≈2 min per mm of wall thickness. Finish with primer or light sanding.
Frequently Asked Questions
USB drive not recognized by Elegoo printer—how do I fix it?
Ensure the USB stick is formatted as FAT32 and uses an MBR partition table. Several users on Reddit report that converting the drive to MBR, setting the partition as Primary, and formatting FAT32 restores detection ([reddit.com](https://www.reddit.com/r/ElegooMars/comments/14l77iu/printer_will_not_recognize_usb_drive/?utm_source=chatgpt.com)). Also try a different brand or smaller‑capacity stick, as older firmware sometimes struggles with 64 GB+ models.
Elegoo Slicer says “USB drive failure / M400 error.” What does that mean?
An M400 or “USB Drive Failure” message indicates the printer can’t read the file system. Elegoo’s official guide recommends re‑formatting the stick, verifying the file is CTB/CTX/Photon (not ZIP), and avoiding non‑ASCII characters in the filename.
Where can I download pre‑made resin profiles?
Because temperature, humidity, and printer age affect exposure, Elegoo doesn’t publish “one‑size” profiles. Community members share JSON/CHITUBOX files on Reddit and Discord; import them via Print Settings → Resin Library → Import Profile.
How do I import a profile file (.cfg / .json) into Elegoo Slicer?
Click the gear icon in the Resin Library, choose Import Profile, and select the file. Elegoo Slicer auto‑maps exposure, lift speeds, and anti‑alias values; double‑check layer height before slicing.
Why enable Adaptive Layer Height?
Adaptive layers let the slicer drop to 10 µm on steep edges and jump to 40 µm on flat infill, shrinking print time 20–40 % without visible detail loss. It’s ideal for figurines and organic models.
Mac shows “app is damaged and can’t be opened.” What now?
This Gatekeeper message appears when the DMG isn’t notarized. Open Terminal and run sudo spctl --master-disable to allow unsigned apps, or clear the quarantine flag with xattr -cr /Applications/Elegoo\ Slicer.app.
Why does Elegoo Slicer crash during slicing?
Common causes are outdated GPU drivers, low VRAM on integrated graphics, or dual‑monitor quirks. Users report updating to the latest Vulkan (Windows/Linux) or Metal 3 (macOS) drivers fixes 80 % of crashes.
What is an RERF and why should I print one?
RERF (Resin Exposure Range Finder) prints eight mini‑columns at different exposure times so you can visually pick the sharpest one, dialling in exposure without wasting multiple full prints.
How do I make or slice an RERF file?
You can download pre‑sliced RERF CTB files from community links or generate your own by loading an RERF STL and slicing at 0.05 mm in Elegoo Slicer. Video tutorials on YouTube show step‑by‑step calibration workflows.
Slicer freezes at 80 %—why?
GPU raster fails when VRAM runs out. Disable high‑resolution preview, close other 3D apps, or switch to CPU slicing. Updating GPU drivers resolved the freeze for many users.