parametric-cad-design

Design and validate mechanical CAD parts with Shapr3D and OpenSCAD.

1|Updated Jun 3, 2026
One-click install
npx skills add https://github.com/lachlanchen/LazySkills --skill parametric-cad-design
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: parametric-cad-design
Source: https://github.com/lachlanchen/LazySkills/tree/main/skills/parametric-cad-design
Command: npx skills add https://github.com/lachlanchen/LazySkills --skill parametric-cad-design

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires shapr3d, openscad, blender, cadquery, and includes scripts (resource) and references (resource) and assets (resource) components.

What problem does it solve?

This Skill streamlines the process of designing, revising, validating, and documenting mechanical CAD parts, ensuring precision and efficiency in the design workflow.

Core Features & Use Cases

  • Parametric Design: Create editable and reproducible designs with named parameters for dimensions.
  • Validation: Perform comprehensive checks on STEP files for solid count, bounding box, and mesh integrity.
  • Use Case: For a mechanical engineer tasked with designing a custom part, this Skill can help generate a STEP file with precise dimensions and ensure it is watertight and ready for manufacturing.

Quick Start

Run the 'parametric-cad-design' skill to start a new design project.

Frequently Asked Questions about parametric-cad-design

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

FAQPage Schema
How do I validate a STEP file for solid count and mesh integrity before manufacturing?

Validating a STEP file for solid count, bounding box, and mesh integrity ensures your CAD part is watertight and ready for manufacturing. This Skill performs comprehensive validation checks to verify design integrity and reproducibility before export.

What's the best way to create parametric CAD designs with editable named dimensions?

Creating parametric CAD designs with editable named dimensions allows for reproducible mechanical parts. This Skill generates editable designs using named parameters for dimensions, ensuring precision and efficiency throughout the revision workflow.

Do I need Shapr3D and OpenSCAD installed to design and export mechanical CAD parts?

Yes, you need Shapr3D, OpenSCAD, and Blender installed to handle .shapr archives, STEP references, and rendering. These dependencies are required for the complete design, validation, and export workflow.

Can I use Blender for rendering and exporting CAD parts designed in Shapr3D?

Yes, Blender is used for rendering and exporting CAD parts designed in Shapr3D. This Skill handles various export formats and ensures design integrity across the Shapr3D, OpenSCAD, and Blender toolchain.

How does parametric CAD design ensure reproducibility when revising mechanical parts?

Parametric CAD design ensures reproducibility by using named parameters for dimensions, creating editable designs that maintain integrity through revisions. This approach streamlines the process of designing, revising, validating, and documenting mechanical parts.

What CAD validation checks are needed to ensure a STEP file is watertight for manufacturing?

CAD validation checks for solid count, bounding box dimensions, and mesh integrity are needed to ensure a STEP file is watertight. This Skill performs these comprehensive checks to verify manufacturing readiness and design integrity.