The Last Analog Frontier | OpenFrame Engineering

This machine took me three days.

This is a lid-cleaning machine I designed for my vertical farm. Pneumatic grippers, rotating brushes, 12-nozzle wash array. Three days in Fusion 360.

Growbotics vertical farm — Lettuce in aeroponic system

Plastic lids in warehouse — The lids that needed cleaning

These are the lids. Growbotics is a vertical farm I built in Virginia Beach — 40 racks, 12 restaurant customers. The machines that run it are why I started this company.

Why meshes aren't text

placePart({
  catalog: "nema23_stepper",
  port: "shaft",
  mate: coupling.bore
});

Text — AI reasons about this

Mesh — AI cannot

The model on the left, AI can reason about. The mesh on the right, it cannot.

Same AI, different representation

✗FAIL — GPT-4o

Parts at arbitrary coordinates — no constraints satisfied

✓PASS — Claude + typed vocab

Parts snapped at typed ports — constraints fully satisfied

Same prompt. Same model. Left: no vocabulary. Right: typed ports and constraint solver.

What the industry ships

CAD History

1977

CATIA

1995

SolidWorks

2013

Fusion 360

2021

Zoo.dev

2026

OpenFrame

Fusion 360 AI Assistant

> "I don't have access to modify your design geometry"

40 years of refinement, all for mice. Fusion 360’s AI assistant can’t modify geometry.

The insight

You don't need better AI. You need a new language.
It's the data structure meshes should have been.

Typed Port Assembly

Not better AI. A new language — the data structure meshes should have been.

The design loop

1.Select Parts

2.Define Joints

3.Position

4.Check & Fix

5.Review

6.Iterate

The OpenFrame Design Loop

Six steps. Each post dives into one. Start here:

→ Post 2: Type System → Post 3: Vision in the Loop → Post 4: Cost Routing → Post 5: Event Sourcing → Post 6: Framework Decoupling → Post 7: Domain Agnostic

Live today

Same command store. Three ways in.

🖥

Studio

Chat interface in the browser

🔧

MCP

Cursor IDE integration via stdio

⚡

API

Headless REST / streaming endpoint

dispatch(cmd)·query(selector)·undo()·redo()