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v1.1.20 — Native Slicer, Scene Composer, AI Model Forge, 17-Brand Coverage

· 3 min read
SkyNett81
3DPrintForge utvikler

3DPrintForge now has its own slicing engine — pure JavaScript, written from scratch, runs without any external dependency. Plus a 3D Scene Composer with BSP-tree CSG, AI-powered Model Forge with text-to-3D intent parsing, automatic Mesh Repair, and expanded coverage to 17 printer brands across 75+ models.

Native Slicer Engine

A complete pure-JS slicing pipeline:

  • server/native-slicer.js — mesh→polygon→infill→G-code, fully integrated with mesh repair
  • sliceLayer — z-plane intersection with edge-deduplication
  • offsetPolygon — bbox-aware shrink (returns empty for degenerate over-shrink)
  • lineInfill — adjustable density and angle
  • layersToGcode + sliceMeshToGcode — produces print-ready G-code

No external slicer required, no WASM blob, no shell-out. Just JavaScript.

Slicer Studio

A full standalone slicer program inside 3DPrintForge:

  • Three.js viewport with orbit controls and per-layer preview
  • Profile system — 23 default profiles seeded (12 printers, 7 filaments, 4 quality)
  • Send to printer — one-click upload after slicing
  • Profile editor — create, edit, duplicate, set as default

Reach it from the sidebar Library → Slicer Studio.

Slicer Bridge (Optional)

For users who already have OrcaSlicer, BambuStudio, or Snapmaker Orca installed, the Bridge wraps their CLI for headless slicing. Auto-detects via flatpak listings and AppImage paths — no configuration required.

Scene Composer

A 3D scene editor with BSP-tree CSG (Evan Wallace algorithm) for boolean mesh operations:

  • Union, subtract, intersect on imported STL/3MF
  • Mesh primitives (cube, sphere, cylinder, torus)
  • Mesh transforms (translate, rotate, scale)
  • Export combined scene as STL

AI Model Forge

Text-to-3D generation with intent parsing. Type natural-language descriptions ("a 60mm phone stand", "a hexagonal storage box with lid") and the engine routes through ai-forge-generators.js to produce print-ready meshes.

Mesh Repair Toolkit

Automatic detection and repair of broken STL/3MF files:

  • Non-manifold edge fixing
  • Hole filling
  • Normal recalculation
  • Watertight verification via lib3mf.IsManifoldAndOriented

G-code Reference & Estimator

Built-in G-code reference (Marlin, Klipper, RepRap, Bambu) with per-command documentation, plus a time estimator that parses G-code and predicts print duration.

17 Brands, 75+ Models

Three new protocol clients added in this release:

  • Duet/RRF (server/duet-client.js) — Duet 3D control boards via REST/WebSocket
  • FlashForge FNet (server/flashforge-client.js) — FlashForge proprietary protocol
  • Repetier-Server (server/repetier-client.js) — multi-printer server with REST API

Combined with existing connectors:

ProtocolBrands
Bambu MQTTBambu Lab (P1/P2/X1/A1/H2)
Moonraker WSSnapmaker U1, Voron, Creality, Elegoo, AnkerMake (Klipper), QIDI, RatRig
PrusaLink HTTPPrusa MK4, MK3.9, Mini+, XL
OctoPrint RESTEnder 3, Prusa MK3, Anycubic, Artillery
Snapmaker SACPJ1, J1s, Artisan
Snapmaker 2.0 HTTPA150, A250, A350
AnkerMake MQTTM5, M5C
Duet/RRFDuet 3, Duet 2
FlashForge FNetFlashForge Adventurer/Creator
Repetier-ServerAny printer behind Repetier-Server

Printer Image Service

Real product images sourced from OrcaSlicer's GitHub repository (raw.githubusercontent.com/SoftFever/OrcaSlicer/main/resources/profiles/{Vendor}/{Model}_cover.png). Three-tier fallback:

  1. Local cache (data/printer-images/)
  2. OrcaSlicer GitHub URL
  3. Generated SVG placeholder (per-model distinct)

Visible on the Fleet view (#fleet).

Other Improvements

  • 23 slicer profiles seeded via migration v135 — ready out of the box
  • Multi-column UI grid — optimized layout for large screens
  • Command Palette fix — Ctrl+K now shows all 25 panels
  • Sidebar Library badge corrected from 11 to 12 after Slicer Bridge
  • System sidebar fix — proper grouping
  • 725+ tests passing — full suite green

Download

Download from the release page.

git clone https://github.com/skynett81/3dprintforge.git
cd 3dprintforge
./install.sh

Or download the desktop installer for your platform from the release page.

Full changelog: v1.1.20 Changelog