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BrickLink Studio 2.0 documentation

In-depth reference docs for the stud.io connectivity binary file format, internal Studio systems, and Eitucaru’s own tools.

File formats Systems Tools

Documents

Each document below is maintained as a markdown source on GitHub and rendered live on this site, so it stays up to date. Pick one to jump straight to it.

File format Binary spec · 11 sections .conn file format — Complete reference How BrickLink Studio 2.0 (stud.io) stores physical connectivity. Covers the binary record format, connector types and colour coding, stud/hole grids, the transform & coordinate system, scaling, the export pipeline and parser implementation notes. Source: Part-Designer-additionals v1.1 · Updated 24 Jul 2026 Read

More documents are being written — .part models, .col colliders, stud.io systems and guides for my own tools will appear here as they’re released.