Freemium
Added on Oct 25,2026
zCAD AI is an AI-powered browser tool that turns text prompts, optionally with reference images, into editable B-rep CAD geometry for mechanical parts and assemblies.
Users describe a part, generate a model, inspect its features, dimensions and relationships, then request changes by describing them in follow-up prompts.
Parts can be generated with assembly mates, and the example gallery includes copyable prompts for items such as an L-shaped bracket, belt pulley, spur gear, drone frame and Geneva drive.
Key features include prompt-led modelling from text and images, structured and editable results, controlled revision through prompts and browser-based use with no desktop installation.
It integrates with zCAD Online for further refinement, drawings and collaboration, and models can be exported in formats including STEP for use in other CAD tools.
The site notes that output is engineering geometry rather than manufacturing approval, so dimensions, fits, tolerances, materials and loads should be checked before fabrication.
Pricing: a free plan offers 200 credits a month plus a one-time 600-credit beta gift for non-commercial use with public models. Plus costs USD 49.99 a month and Pro USD 89.99 a month, adding private models, commercial use and priority queues. A Business team plan is priced through sales.
On the free plan generation data may be used for training, while paid plans keep models private and exclude them from training.
It is suited to engineers, product designers, makers and hobbyists who want to create CAD parts from plain language.
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