text-to-cad

Introduction: An open source harness for generating CAD models
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Demo of the CAD skill generating and previewing CAD geometry
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A library of agent skills for CAD, CAE and CAM

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Tests Join Discord GitHub stars License: MIT Follow @earthtojake Python STEP STL 3MF URDF SDF SRDF

text-to-cad is a library of agent skills for generating, inspecting, sourcing, slicing, and handing off CAD and robot-description artifacts from local project files.

CAD skill demo showing generated geometry in CAD Viewer CAD URDF skill demo showing robot description output in CAD Viewer URDF SRDF MoveIt2 skill demo showing inverse kinematics in CAD Viewer SRDF / MoveIt2

🧰 Skills

Install the library to give agents focused workflows for CAD, fabrication, robot description files, simulation, and local review.

Skill Summary Source
CAD Creates and edits CAD models from plain-language or image requests, with STEP as the main output along with options to export to STL, 3MF and GLB. skills/cad
CAD Viewer Shows local browser previews for CAD and robot files. skills/cad-viewer
step.parts Finds off-the-shelf STEP parts like screws, bearings, motors, and connectors. skills/step-parts
DXF Creates 2D DXF drawings like profiles, templates, gaskets, and cut layouts from Python sources or CAD geometry. skills/dxf
URDF Writes robot structure files with links, joints, limits, inertials, and meshes. skills/urdf
SRDF Adds MoveIt planning groups, end effectors, poses, and collision rules to a URDF. skills/srdf
SDF Creates simulator models and worlds with frames, physics, sensors, and lights. skills/sdf
SendCutSend Checks DXF and STEP files before upload to SendCutSend. skills/sendcutsend
G-code Slices supported mesh files into validated, printer-profiled FDM .gcode with real slicer CLIs. skills/gcode
Bambu Labs Dry-runs, uploads, and cautiously starts local Bambu Lab print jobs from validated .gcode. skills/bambu-labs
Implicit CAD Creates browser-native implicit CAD models using GLSL signed-distance fields and CAD Viewer raymarch rendering. Experimental. skills/implicit-cad

💻 Installation

For production use, install or clone from main; that branch contains the generated skill outputs needed by provider installers.

Skills

Install text-to-cad with the Skills CLI:

npx skills install earthtojake/text-to-cad

This is the preferred installation path. It installs the individual skills directly for supported agents.

Plugins

Provider-native plugin installs are also available for Codex and Claude Code:

# Codex (requires Codex 0.142.0 or newer)
codex plugin marketplace add earthtojake/text-to-cad
codex plugin add cad@text-to-cad

Codex resolves this repository-root plugin only from 0.142.0 onward. On older versions the plugin is skipped silently and never appears in codex plugin list; upgrade with npm install -g @openai/codex@latest.

# Claude Code
claude plugin marketplace add earthtojake/text-to-cad
claude plugin install cad@text-to-cad

Restart your agent if newly installed skills do not appear. For local development, branch from develop, open PRs against develop, and use the symlink workflow in CONTRIBUTING.md.

🛠️ Contributing

Development happens from the develop branch; open PRs against develop, not main. For local contribution workflow, skill linking, and validation guidance, see CONTRIBUTING.md.

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