ldraw2mesh

A utility for converting LEGO (LDraw) files to glTF (.glb/.gltf).

Built on ldr_tools_blender, but designed to be a standalone tool without Blender dependencies.

Installation

uv add ldraw2mesh       # with uv
pip install ldraw2mesh  # with pip

LDraw Parts Library

An LDraw parts library is required to process LDraw files. Download it from https://www.ldraw.org/.

Set the LDRAW_LIBRARY_PATH environment variable to the path of your LDraw library:

export LDRAW_LIBRARY_PATH=/path/to/ldraw

Usage

Python API

from ldraw2mesh import convert

# Convert an LDraw file to glTF
convert("model.ldr", "model.glb")

Command-line

ldraw2mesh model.ldr -o model.glb

Contributing

To build from source, you need:

• Rust ≥ 1.85
• uv

Clone the repository and run:

uv run maturin develop --uv