#ClaudeAI #FreeCAD #ParametricDesign
Claude AI can now build fully parametric parts in FreeCAD — and in this video, it models a complete IKEA Skadis pegboard that resizes to ANY dimension from a single spreadsheet. Change one number and the whole board rebuilds: 5×5, 10×10, 20×20, different thickness, slot size, spacing — all parametric, all through prompting. No manual modeling in FreeCAD at all.
This is the follow-up many of you asked for after the last video: REAL parametric modeling — proper PartDesign sketches and spreadsheet-driven expressions, not just boxes and booleans.
I’m using Claude Fable 5 through the FreeCAD MCP connector. Watch Claude hit real errors, diagnose FreeCAD’s classic “topological naming problem” on its own, restructure the model to survive resizing, and even catch a bug in its own work — then fix it. The finished board is exported as .3mf and sliced, ready for 3D printing.
▶️ START HERE — How to install & connect the FreeCAD connector: []
▶️ What the FreeCAD connector can do (overview): []
⏱️ TIMESTAMPS
0:00 What we’re building — any-size parametric board
0:00 How the FreeCAD MCP connector works
0:00 Getting FreeCAD ready
0:00 Getting Claude ready
0:00 The hand-drawn sketch — and why exact dimensions matter
0:00 The prompt
0:00 Claude starts building
0:00 Errors, warnings & Claude debugging itself
0:00 The topological naming problem
0:00 The 5×5 problem & the pictorial fix
0:00 Stress-testing every parameter
0:00 Export as .3mf & slicing for 3D printing
0:00 Final thoughts
🔗 LINKS
FreeCAD:
FreeCAD MCP (by neka-nat):
Claude Desktop:
📌 WHAT YOU’LL LEARN
– How to build a fully parametric model in FreeCAD using Claude AI
– Driving a FreeCAD PartDesign model entirely from a spreadsheet
– Turning a hand-drawn sketch into an accurate 3D CAD part
– How Claude handles FreeCAD’s topological naming problem
– Exporting a parametric part for 3D printing
In this FreeCAD tutorial you’ll see AI CAD modeling done properly: a parametric, spreadsheet-driven Skadis pegboard built with Claude in FreeCAD’s PartDesign workbench, ready for 3D printing — for engineers, makers, product designers, and anyone exploring AI in CAD in 2026.
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