openscad-3d-modeling

Generate parametric 3D CAD models from OpenSCAD scripts and export to STL/3MF.

Updated Dec 23, 2025
One-click install
npx skills add https://github.com/co-labs-co/context-harness-skills --skill openscad-3d-modeling
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: openscad-3d-modeling
Source: https://github.com/co-labs-co/context-harness-skills/tree/main/skill/openscad-3d-modeling
Command: npx skills add https://github.com/co-labs-co/context-harness-skills --skill openscad-3d-modeling

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) and assets (resource) components.

What problem does it solve?

OpenSCAD-based parametric modeling often requires manual scripting workflows; this skill provides a structured approach to generate CAD models programmatically, enabling reproducible designs and headless rendering for rapid prototyping.

Core Features & Use Cases

  • Parametric design: define dimensions and relationships to generate multiple variants from a single script.
  • CSG primitives and transformations: build complex parts from cubes, spheres, cylinders, and polyhedrons using operations like union, difference, and intersection, with translation, rotation, and scaling.
  • Module-based reuse: compose reusable components with modules to accelerate design iteration and export to STL/3MF for 3D printing.
  • Use Case: AI-driven generation of mechanical parts or functional prototypes that adapt to different specs without rewriting code.

Quick Start

Provide an OpenSCAD script or parameter set to generate and export a parametric model.

Frequently Asked Questions about openscad-3d-modeling

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I generate parametric 3D models from code?

Generating parametric 3D models from code involves writing OpenSCAD scripts that define dimensions and relationships to automate CAD design. This approach enables reproducible designs and headless rendering for rapid mechanical prototyping without manual GUI modeling.

Can I export OpenSCAD scripts to STL for 3D printing?

Yes, you can export OpenSCAD scripts to STL or 3MF formats for 3D printing. The process supports exporting 3D models generated from CSG primitives and module-based components directly to files suitable for repeatable prints.

Do I need OpenSCAD installed for headless rendering of CAD files?

Yes, headless rendering of CAD files requires OpenSCAD installed on your system. This allows the automated generation and export of parametric 3D models without launching the graphical interface, enabling AI-driven design exploration workflows.

What is the best way to build complex parts using CSG operations?

The best way to build complex parts using CSG operations is combining primitives like cubes, spheres, and cylinders with union, difference, and intersection. You apply transformations such as translation, rotation, and scaling to refine the geometry.

How do I create reusable components for mechanical prototyping?

You create reusable components for mechanical prototyping by composing modules in OpenSCAD. Modules allow you to build reusable parts that accelerate design iteration and can be easily exported for functional prototypes adapting to different specs.

When should I use programmatic 3D modeling over traditional CAD software?

Use programmatic 3D modeling over traditional CAD software when you need reproducible designs and headless rendering for rapid prototyping. It is ideal for AI-driven generation of mechanical parts that must adapt to different specs without rewriting code.