Open Data & Transparency

Data Sources & Catalog Architecture

Complete transparency on where our catalog information originates, how our neural recognition algorithms work, and how third-party data sources are integrated.

Data Source Flow Pipeline

BrickFinder Data Integration Architecture

|-- LEGO Part Metadata & Design IDs --> Rebrickable Open API + LDraw 3D Schemas + Public TLG Molds

|-- AI Vision Recognition ----------> Server-side Google Gemini Vision Models + Feature Extractors

|-- Color Swatches & Palettes -------> Official LEGO Color IDs + BrickLink Color Conversion Matrices

\-- Original Tools & Logic ----------> Custom Gear Solver Math + MOC Substitution Logic + Interactive UI

Custom Engineering

Our Original Work & Tools

All interactive web tools, algorithms, scanner user interfaces, and custom calculation engines on BrickFinder are proprietary original software developed for the building community:

Visual ID & Batch Bounding Engine: Real-time camera integration and pile image multi-part detection.
Technic Gear Mesh Solver: Gear ratio matrix calculations and center-to-center stud spacing solver.
MOC Substitution Engine: Geometry-preserving alternative part matching algorithm.
Set Weight Discrepancy Analyzer: Gram scale variance calculation for sealed/missing set verification.

Open Data Sources

Third-Party Catalog Data

To maintain complete accuracy, part reference data, element numbers, and set inventories are synchronized with permitted public catalog datasets:

Rebrickable API: Public set inventories, part relationships, and category definitions.
LDraw 3D Library: Open-source 3D CAD mesh geometry and stud dimensions.
Official LEGO Design Molds: Standard Design IDs stamped physically on plastic elements.
BrickLink Reference Palettes: Community color names, hex swatches, and historical year ranges.
Collectible Minifigures box codes: Community-collected codes from L-Scan (MIT license), cross-checked against minifigurescanner.com, for our minifigure scanner. Box codes are decoded in your browser with zxing-wasm (MIT license).

Explore the Indexed LEGO Catalog

Browse indexed parts, Design IDs, sets, and color palettes in our unified database.