Describe it. Let AI write the CAD. Get it made.
Vibe coding changed who can build software. Vibe manufacturing changes who can build things. A practical, honest guide from measuring your part to shipping a product, with the tools and factories that make it work.
The 13 steps
Measure everything
Bad measurements are the number one reason a first build fails. Capture reality before you ask a model to design anything.
02Have a frontier model write the design as code
Describe the part in plain language and let the model emit OpenSCAD or CadQuery. Code-based CAD is diffable, parametric and easy to fix.
03Use real CAD files
Shapes that merely look right do not get manufactured. Factories want STEP, DXF or STL, matched to the process.
04Make sure it can be made
Ask the model to audit the design against real shop rules: bend radius, minimum hole size, tolerances, clearances.
05Prototype in plastic first
A desktop 3D printer tests fit overnight for a few dollars of filament, before you pay for metal.
06Pay an engineer for one hour
Before the first real order, a mechanical engineer reviews your files. It is the cheapest insurance you will buy.
07Send it out
Instant-quote manufacturers cut, bend, machine and print your part and ship it in days.
08Add the brains
Most smart features run on a cheap Wi-Fi chip like the ESP32. Design the board in KiCad and control it with ESPHome.
09Make one, then fix it
Your first version will be off somewhere. Order a single unit, test it, and adjust.
10Do the math
Add up parts, finishing, assembly, packaging and shipping. Custom products are hard to resell, so price for healthy margins.
11Sell the design and make to order
Let customers adjust the measurements and only manufacture after they pay. Zero warehouse, zero unsold stock.
12Handle the boring part
If it plugs into a wall or touches kids, you need safety certification. It is slow and annoying, which is exactly why it is a moat.
13Scale when it works
Once orders are steady, switch to batch runs and your cost per unit drops fast.
Tools and factories
SendCutSend
Instant quotes for laser cut, waterjet and bent sheet metal from DXF or STEP files.
Best for: Flat metal parts, brackets, enclosures, panels
Xometry
On-demand CNC machining, 3D printing, sheet metal and injection molding with instant quotes.
Best for: Machined parts, plastics, a wide process range
JLCPCB
Low-cost PCB fabrication and assembly with a large in-house parts library.
Best for: Circuit boards from KiCad, small assembly runs
Bambu Lab
Consumer 3D printers that make overnight fit-test prototypes practical.
Best for: Fast, cheap plastic prototypes at home
Comparisons
SendCutSend vs Xometry
Which on-demand manufacturer fits your first part: SendCutSend for flat and bent sheet metal, or Xometry for machined and plastic parts?
JLCPCB vs PCBWay
Two popular PCB services compared for makers building ESP32 and other smart-product boards.
Alibaba vs domestic on-demand shops
When overseas sourcing beats instant-quote domestic manufacturing, and when it does not.
Guides
How to design a part with an LLM (OpenSCAD and CadQuery)
A practical prompt structure for getting a parametric, manufacturable design out of a language model.
Which CAD file format for which manufacturing process
STEP, DXF, STL, 3MF, Gerber: what each format is for and when a factory will reject it.
The first-order checklist
A short checklist to run through before you pay for your first manufactured part.
What is vibe manufacturing?
Vibe manufacturing is the idea that anyone can turn a described product into a real physical object using AI-written CAD and on-demand factories.
FAQ
What is vibe manufacturing?
It is the process of turning a described product into a physical object by having an AI model write the design as code, then sending real CAD files to on-demand factories that quote instantly.
Do I need engineering experience?
No, but you do need accurate measurements, a prototype and ideally a one-hour review from a mechanical engineer before your first real order.
Which factories can I use?
SendCutSend for sheet metal, Xometry and Protolabs for machining and plastics, JLCPCB and PCBWay for circuit boards, and overseas platforms such as Alibaba for larger runs.
Is it cheaper than buying off the shelf?
For custom or made-to-measure products it can be close to the cost of a mass-produced item. For commodity products, mass production still wins.