AI-Powered LEGO Builder
Turn Any 3D Model
Into LEGO.
Lego Weaver uses AI voxelization and intelligent brick optimization to transform STL and 3MF files into real LEGO-style builds.
AI PoweredBrick OptimizedExport ReadyInteractive Instructions
BRICK COUNT
4,892
+12 this step
BUILD TIME
3h 42m
Estimated
92%
Optimized
Color Palette
+3
7 Colors
Stability
Excellent
How It Works
1
Upload STL or 3MF
Drag and drop your 3D model and let our AI prepare it for magic.
2
AI Converts & Optimizes
We voxelize, optimize, and convert your model into a stable LEGO structure.
3
Export & Build
Get step-by-step instructions, part lists, and an interactive build experience.
Powerful Features
Smart Brick Optimization
Real-Time Build Viewer
AI Color Mapping
Layer-by-Layer Assembly
Interactive Instructions
Export to PDF & CSV
Brick Stability Analysis
Automatic Orientation Fixing
LEGO-style Part Reduction
Clean Build Mode
Built by creators, makers, and LEGO fans.
James P.
3D Artist
“Lego Weaver is a game changer. The accuracy and stability of the builds are insane!”
Sarah K.
LEGO Builder
“I can finally turn my digital creations into real LEGO masterpieces.”
Mark R.
Product Designer
“The best STL to LEGO tool I've ever used. Super intuitive and powerful.”
Trusted by communities worldwide
Examples Gallery
Drag across each card to compare the original STL / 3MF model with its LEGO brickified version.
↔
STL
LEGO
Characters
Pikachu
Bricks
1,284
↔
3MF
LEGO
Sculpture
Classical Bust
Bricks
3,640
↔
STL
LEGO
Architecture
Eiffel Tower
Bricks
2,178
↔
3MF
LEGO
Creatures
Dragon
Bricks
4,512
↔
STL
LEGO
Characters
Super Mario
Bricks
986
↔
3MF
LEGO
Vehicles
Sports Car
Bricks
1,742
Every build below was generated from a real uploaded mesh — drag the divider to reveal the brick conversion.
Documentation
Resources & Community
Start Building the Impossible.
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