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forgecad-build-model

Build and validate manufacture-realistic parametric CAD models as .forge.js files with render, inspect, and export evidence.

927|103|Updated Feb 8, 2026
Search Tags:#kinematics#ForgeCAD#parametric cad#manufacturing export#code-first modeling#mechanical assembly#collision validation
One-click install
npx skills add https://github.com/KoStard/forgecad-public-kit --skill forgecad-build-model
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: forgecad-build-model
Source: https://github.com/KoStard/forgecad-public-kit/tree/main/skills/forgecad-build-model
Command: npx skills add https://github.com/KoStard/forgecad-public-kit --skill forgecad-build-model

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Writing parametric CAD models that merely look assembled is easy; producing models that are physically credible, collision-free, and manufacturable is not. This Skill enforces a disciplined ForgeCAD workflow so every .forge.js model is validated with run, render, inspect, and export evidence before delivery.

Core Features & Use Cases

  • Manufacture-Realistic Modeling Standards: Enforces wall thickness, fastener stacks, bosses, seats, toleranced clearances, and process-appropriate styling instead of concept-sketch geometry.
  • Kinematics-First Rigs: Builds and proves motion structures (joints, connectors, limits) before attaching final geometry to mechanisms like hinges, sliders, and grippers.
  • Assembly Contracts & Collision Policy: Requires connector-based part placement, verify.* interface checks, and zero unexpected collisions confirmed via forgecad inspect fit interference.
  • Acceptance Gate & Manufacturing Outputs: Mandates physical-component checks, risk-specific render views, BOM registration with bom(), and clean STL/3MF/STEP exports.
  • Use Case: Ask the agent to design a parametric enclosure with a hinged lid and purchased fasteners; it produces a dated .forge.js project, proves the hinge rig at multiple poses, verifies clearances, and exports fabrication-ready files.

Quick Start

Ask the agent to build a manufacture-realistic parametric model of your part or assembly in the current ForgeCAD project and validate it with renders, inspection, and exports.

Frequently Asked Questions about forgecad-build-model

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

FAQPage Schema
How do I build a parametric CAD model with ForgeCAD?▼

Create a .forge.js file in a date-based folder inside your ForgeCAD project, define tunable dimensions with param(), and validate with forgecad run followed by render and inspect commands. This Skill enforces that full workflow automatically.

How do I model moving mechanisms like hinges and sliders in ForgeCAD?▼

Build the kinematic rig first with named joints, limits, and connectors, then prove it at rest, mid-travel, and limit poses using --joint flags before attaching final geometry. Never retrofit motion onto finished shells.

Can ForgeCAD import STL or STEP files into an assembly?▼

Yes. Wrap imports with Import.mesh() for STL/OBJ/3MF or Import.step() for STEP files, verify units against a known dimension, then position them via connectors and matchTo() like purchased parts.

Why does my ForgeCAD assembly report collisions?▼

Collisions come from interpenetrating parts used as placement shortcuts. Model contact honestly with pins in holes and tabs in slots, and declare only welded or bonded overlaps with verify.intentionalOverlap.

What export formats does ForgeCAD support for manufacturing?▼

ForgeCAD exports STL and 3MF for printed parts, STEP for machined parts and CAD interchange, and cutting-layout for sheet goods. STEP, report, and cutting-layout exports require a Production license.

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