AI CAD, defined.

Here is what AI actually does inside a CAD system today, what it does not, and how to tell the two apart.

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What AI CAD means.

AI CAD is the application of language and vision models to mechanical design work: understanding a model, changing it, documenting it, and reasoning about how it will be made. It is not a new modelling kernel and it does not replace the CAD system. It sits on top of one.

The useful distinction is between tools that describe and tools that act. A chatbot bolted to a CAD window can tell you which menu to click. A copilot performs the operation, updates the model, and shows you the result in the feature tree.

The four things AI CAD does well today.

Model editing from language

Turning an instruction into a feature operation on an open part. Reliable when the instruction carries dimensions and a clear reference. See text to CAD.

Documentation generation

Views, dimensions, callouts, BOMs, and title blocks produced from a model. This is where the largest measurable time saving sits. See CAD to drawing.

Model comprehension

Answering questions about geometry, features, materials, and mass properties, and explaining why a rebuild failed.

Error diagnosis

Reading a failing feature and its parents to explain why the rebuild broke.

Where it still fails.

Ambiguous intent. "Make it lighter" is not an operation. Prompts that carry a dimension and a reference succeed.

Whole-assembly reasoning. How a change propagates through mates, in-context references, and downstream configurations still needs a human in the loop.

Engineering judgment. No model knows your safety factor, your supplier’s real capability, or the reason a previous revision failed in the field.

Anything trained on your competitors. Tools that improve by learning from customer geometry train on your parts. Ask how data is handled before you upload a part.

How to evaluate an AI CAD tool.

QuestionWeak answerStrong answer
What does it produce?A mesh, an image, or a suggestionNative features in your CAD file
Can you edit the output?Re-prompt and regenerateChange a dimension, roll back, reorder
Whose standards apply?The vendor’s defaultsYour title blocks, tolerances, and libraries
Where does it run?A separate web app you upload toInside your CAD system on your license
What happens to your geometry?Improves their shared model by default, with no way outIsolated per organization, with a training opt-out you control
What does it do when unsure?Guesses silentlyShows the assumption and asks

Go deeper.

AI CAD, answered.

What is an AI CAD copilot?
An AI CAD copilot is an assistant that lives inside a CAD program and performs real CAD operations from natural-language prompts. Instead of clicking through menus, an engineer types what they want, for example “fillet all sharp edges 2 mm” or “generate a drawing with our title block”, and the copilot executes the feature operations, updates the model, and produces the deliverables.
What is CADABRA?
CADABRA is an AI CAD copilot that installs as a SOLIDWORKS add-in. You describe a change in plain English and CADABRA performs the real SOLIDWORKS feature operations: sketches edited, dimensions refit, parts rebuilt, drawings regenerated. It also produces production drawings and bills of materials on your own title blocks and standards.
What is text to CAD?
Text to CAD is turning a written description into real CAD geometry. A generic text-to-CAD tool produces a standalone mesh or a one-off solid. CADABRA does text to CAD inside SOLIDWORKS: the prompt resolves to native feature operations on the feature tree, so the result is a parametric, editable SOLIDWORKS body.
Why not just write a macro or an API script?
Macros work for a fixed, repeated sequence: they break when the feature tree changes, they need a developer to maintain, and each new variation is a new script. CADABRA resolves intent against the actual model at run time, so one prompt covers cases that would otherwise need a separate macro each.
How accurate is it, and who checks the work?
You do. CADABRA performs real operations on your model and shows exactly what it changed, so every edit is reviewable in the feature tree and revertible.
Does CADABRA work with Fusion, Inventor, Onshape, Creo, NX, or CATIA?
Not yet. CADABRA runs today as a SOLIDWORKS add-in. Support for other CAD packages is in development and you can join the waitlist for the one you use.
Is CADABRA secure for company data?
CAD content is encrypted in transit. Chats, attachments, standards files and feedback are encrypted at rest under keys held in a hardware-backed vault, separate from the data. Indexed content is filtered to the account that wrote it, and only the context a given prompt needs is loaded at runtime. CADABRA does not sell customer data. Enterprise plans support single sign-on and zero-retention handling. On self-serve plans, check the training setting described below.

Judge it on your own part.

Run it on a file you already know the right answer for.

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