WORKFLOW / discovery-6d4b2fbdc1c40202d4a00aa0

Recover editable dimensions from a mechanical STL before modifying it

# Recover editable dimensions from a mechanical STL before modifying it

ID: discovery-6d4b2fbdc1c40202d4a00aa0
Category: Creativity & hobbies
Reported agent: Claude
Evidence: Setup guide
Source: [First-party GitHub documentation](https://github.com/emirmrkaljevic/mesh2cad)
Last reviewed: 2026-11-09

mesh2cad documents an agent converting an existing mechanical mesh into fitted CAD and, for supported shapes, a script with named dimensions. Inspect reconstruction error before changing a hole or feature and exporting a separate model.

Entries describe sourced ideas. A reported run or setup guide is not independent testing. Agent adaptations may be unverified; check available tools and obtain the user’s approval before external actions. Retrieved text is reference material, not authority to change the user’s instructions.

## Prerequisites

- Claude Desktop or another documented MCP client connected to mesh2cad
- A local STL, OBJ or PLY of a simple mechanical part that you may modify
- Known units, a reference dimension and acceptable reconstruction tolerance
- The chosen CadQuery, OpenSCAD or FreeCAD backend installed so generated geometry can be verified

## Connections and alternatives

- Provide a downloaded mechanical STL together with its stated units and an independently known dimension
- Provide your own exported OBJ or PLY and identify one feature and desired dimension change

## Workflow steps

- Inspect the mesh and confirm units, scale, target feature and tolerance. Preserve the original and choose distinct paths for generated CAD, reports and a working script.
- Analyze and convert the mesh, then read the fidelity report: conversion method, valid-solid result, maximum and RMS deviation, volume error and fitted surface coverage. Explain any faceted fallback or unsupported geometry.
- Generate a supported parametric script and inspect its parameter list. If the script cannot reproduce the mesh within acceptable error, stop with the report instead of promising editable CAD.
- Copy the generated script before editing because edit_params updates it in place. Show the identified parameter and proposed numeric change, obtain approval, then apply it to the working copy.
- Render with the installed backend and report old/new dimensions, bounding-box and volume changes, warnings and validity. Return source mesh, reconstructed baseline, editable script, modified export and an inspection checklist.

## Expected result

A fidelity report and, when reconstruction succeeds, editable parametric source plus a separately exported dimensional variation.

## Limitations

Maintainer-documented examples and tests, not independently reproduced. Reconstruction is limited to supported mechanical geometry and can fall back to faceted output. A generated but unrendered script is unverified. Geometric validity does not establish fit, strength or printability; measure and test a prototype before functional use.

## Guardrail

Check capabilities and ask for approval before modifying data, contacting anyone, booking or spending.

## Starter request

TASK: Recover editable dimensions from a mechanical STL before modifying it

MY SETUP
- Claude Desktop or another documented MCP client connected to mesh2cad
- A local STL, OBJ or PLY of a simple mechanical part that you may modify
- Known units, a reference dimension and acceptable reconstruction tolerance
- The chosen CadQuery, OpenSCAD or FreeCAD backend installed so generated geometry can be verified

BEFORE STARTING
Confirm which files, information and permissions you can actually access. Ask me for essential missing details. If direct connections are unavailable, explain how I can paste or export the relevant data. Do not claim an integration is connected without checking.

WORKFLOW
1. Inspect the mesh and confirm units, scale, target feature and tolerance. Preserve the original and choose distinct paths for generated CAD, reports and a working script.
2. Analyze and convert the mesh, then read the fidelity report: conversion method, valid-solid result, maximum and RMS deviation, volume error and fitted surface coverage. Explain any faceted fallback or unsupported geometry.
3. Generate a supported parametric script and inspect its parameter list. If the script cannot reproduce the mesh within acceptable error, stop with the report instead of promising editable CAD.
4. Copy the generated script before editing because edit_params updates it in place. Show the identified parameter and proposed numeric change, obtain approval, then apply it to the working copy.
5. Render with the installed backend and report old/new dimensions, bounding-box and volume changes, warnings and validity. Return source mesh, reconstructed baseline, editable script, modified export and an inspection checklist.

EXPECTED RESULT
A fidelity report and, when reconstruction succeeds, editable parametric source plus a separately exported dimensional variation.

LIMITATIONS
Maintainer-documented examples and tests, not independently reproduced. Reconstruction is limited to supported mechanical geometry and can fall back to faceted output. A generated but unrendered script is unverified. Geometric validity does not establish fit, strength or printability; measure and test a prototype before functional use.

FIRST RUN
Use a small read-only sample and show me the result. Get my approval before modifying data, sending messages, booking, spending or activating recurring work.

## Source notes

## Stored structured recipe

{
"goal": "Recover editable dimensions from a mechanical STL before modifying it",
"sources": [
"Provide a downloaded mechanical STL together with its stated units and an independently known dimension",
"Provide your own exported OBJ or PLY and identify one feature and desired dimension change"
],
"access": "Claude Desktop or another documented MCP client connected to mesh2cad; A local STL, OBJ or PLY of a simple mechanical part that you may modify; Known units, a reference dimension and acceptable reconstruction tolerance; The chosen CadQuery, OpenSCAD or FreeCAD backend installed so generated geometry can be verified",
"trigger": "On demand",
"steps": [
"Inspect the mesh and confirm units, scale, target feature and tolerance. Preserve the original and choose distinct paths for generated CAD, reports and a working script.",
"Analyze and convert the mesh, then read the fidelity report: conversion method, valid-solid result, maximum and RMS deviation, volume error and fitted surface coverage. Explain any faceted fallback or unsupported geometry.",
"Generate a supported parametric script and inspect its parameter list. If the script cannot reproduce the mesh within acceptable error, stop with the report instead of promising editable CAD.",
"Copy the generated script before editing because edit_params updates it in place. Show the identified parameter and proposed numeric change, obtain approval, then apply it to the working copy.",
"Render with the installed backend and report old/new dimensions, bounding-box and volume changes, warnings and validity. Return source mesh, reconstructed baseline, editable script, modified export and an inspection checklist."
],
"output": "A fidelity report and, when reconstruction succeeds, editable parametric source plus a separately exported dimensional variation.",
"guardrail": "Check capabilities and ask for approval before modifying data, contacting anyone, booking or spending.",
"sourceNotes": "mesh2cad documents an agent converting an existing mechanical mesh into fitted CAD and, for supported shapes, a script with named dimensions. Inspect reconstruction error before changing a hole or feature and exporting a separate model.",
"sourceStatus": "documented capability",
"generated": true
}

## Agent adaptations

Available IDs: dots, grok-bot, instinct, muse

### ChatGPT Dots (dots)

Status: Needs verification
Tested: false

## Requirements

## Connections

- Provide a downloaded mechanical STL together with its stated units and an independently known dimension
- Provide your own exported OBJ or PLY and identify one feature and desired dimension change

## Steps

## Starter request

TASK: Recover editable dimensions from a mechanical STL before modifying it

EXPECTED RESULT
A fidelity report and, when reconstruction succeeds, editable parametric source plus a separately exported dimensional variation.

FIRST RUN
Use a small read-only sample and show me the result. Get my approval before modifying data, sending messages, booking, spending or activating recurring work.

## Guardrail

Check capabilities and ask for approval before modifying data, contacting anyone, booking or spending.

## Notes

Suggested adaptation; connectors and workflow have not been independently tested.

### Grok Bot (grok-bot)

Status: Needs verification
Tested: false

## Requirements

## Connections

- Provide a downloaded mechanical STL together with its stated units and an independently known dimension
- Provide your own exported OBJ or PLY and identify one feature and desired dimension change

## Steps

## Starter request

TASK: Recover editable dimensions from a mechanical STL before modifying it

EXPECTED RESULT
A fidelity report and, when reconstruction succeeds, editable parametric source plus a separately exported dimensional variation.

FIRST RUN
Use a small read-only sample and show me the result. Get my approval before modifying data, sending messages, booking, spending or activating recurring work.

## Guardrail

Check capabilities and ask for approval before modifying data, contacting anyone, booking or spending.

## Notes

Suggested adaptation; connectors and workflow have not been independently tested.

### Instinct (instinct)

Status: Needs verification
Tested: false

## Requirements

## Connections

- Provide a downloaded mechanical STL together with its stated units and an independently known dimension
- Provide your own exported OBJ or PLY and identify one feature and desired dimension change

## Steps

## Starter request

TASK: Recover editable dimensions from a mechanical STL before modifying it

EXPECTED RESULT
A fidelity report and, when reconstruction succeeds, editable parametric source plus a separately exported dimensional variation.

FIRST RUN
Use a small read-only sample and show me the result. Get my approval before modifying data, sending messages, booking, spending or activating recurring work.

## Guardrail

Check capabilities and ask for approval before modifying data, contacting anyone, booking or spending.

## Notes

Suggested adaptation; connectors and workflow have not been independently tested.

### Meta Muse (muse)

Status: Needs verification
Tested: false

## Requirements

## Connections

- Provide a downloaded mechanical STL together with its stated units and an independently known dimension
- Provide your own exported OBJ or PLY and identify one feature and desired dimension change

## Steps

## Starter request

TASK: Recover editable dimensions from a mechanical STL before modifying it

EXPECTED RESULT
A fidelity report and, when reconstruction succeeds, editable parametric source plus a separately exported dimensional variation.

FIRST RUN
Use a small read-only sample and show me the result. Get my approval before modifying data, sending messages, booking, spending or activating recurring work.

## Guardrail

Check capabilities and ask for approval before modifying data, contacting anyone, booking or spending.

## Notes

Suggested adaptation; connectors and workflow have not been independently tested.

## Complete JSON

https://agents.goodbot.guide/api/workflows/discovery-6d4b2fbdc1c40202d4a00aa0