jamesbowman/cuflow

Latest recorded source activity: August 30, 2026 at 22:21

SkillsMP catalog refreshed: October 29, 2026 at 18:30

skills collected: 1

GitHub stars: 305
GitHub forks: 21

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Repository README source: README.md

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# cuflow CuFlow ("Copper Flow") is an experimental procedural PCB layout program. It's a Python module that, given a description of a board, generates all the outputs for a PCB: * Gerbers * drill file * BOM * PnP definitions * POVRay renderings * SVGs for laser cut mockups The Gameduino 3X Dazzler was designed with CuFlow. ![Image of Dazzler PCB](images/dazzler-pcb.png) To generate the Dazzler board: python dazzler.py To generate the Arduino-Dazzler interface board: python arduino_dazzler.py To fetch the STEP and WRL models for every LCSC code in a generated BOM: python fetch_bom_models.py spiq_a-bom.csv Models are deduplicated by LCSC part number and written to `assets/step/`, for example `assets/step/C25100.step` and `assets/step/C25100.wrl`. Existing model pairs are left untouched unless `--overwrite` is supplied. The command keeps successful downloads and exits nonzero if any BOM entry has no available model. It also records EasyEDA's footprint transforms in `assets/step/models.json`. To refresh the browser-ready mesh cache after fetching models: npm --prefix webviewer run convert:models STL assets can be converted to the same browser-ready mesh format. STL has no standard units or material data, so the converter assumes millimetres and accepts an optional RGB color: node webviewer/convert-stl.js input.stl output.mesh.json [RRGGBB] For the SPIQ LCD bezel: npm --prefix webviewer run convert:bezel Some notes on the theory and the practice: * [Motivation](https://excamera.substack.com/p/how-would-bob-ross-lay-out-a-pcbhtml) * [The geometry of river routing](https://excamera.substack.com/p/the-geometry-of-river-routinghtml) * [The Dazzler PCB](https://excamera.substack.com/p/gameduino-dazzler-pcb-first-pictureshtml) * [laser cut mockups](https://excamera.substack.com/p/the-map-is-not-the-territoryhtml) ![POVRay rendering of Dazzler PCB](images/dazzler-spin000.png) ![Actual Dazzler PCB](images/dazzler-proto.jpg)

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Skills in this repository

Electrical & Electronics Drafters

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pcb-manufacturing-preflight

Electrical & Electronics Drafters

Preflight CuFlow PCB outputs before manufacture, including Gerbers, drills and routed slots, airwires, JLCPCB BOM/PNP consistency, footprint selection, and CAM inspection. Use when a user asks whether a board is ready to submit or requests a…

2026-08-30

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