If you’re looking to try a new, open source 3D modeling CAD suite, especially one with automation-friendly interfaces, take a look at SolidCraft. It’s under development but there’s support for …. SolidCraft is Parametric, Automation-friendly CAD for Desktop and Browser.
It’s under development but there’s support for all the usual features like sketches, solid modeling, and constraints as well as a full parametric feature timeline. SolidCraft offers desktop, browser-based, headless CLI, and MCP interfaces. A parametric timeline essentially means the model exists not as a single discrete object, but as the sum of a sequence of operations.
One advantage of this is being able to set things up so that if one changes a value (like wall thickness), all the features that depend on that change automatically get rebuilt as a result. Written entirely in Rust, SolidCraft can run as a desktop app or as a web app in a browser. Everything the user can do in SolidCraft is a command with JSON parameters, and it offers a built-in headless command line interface and even an MCP (Model Context Protocol) server built specifically to give AI agents a way to use the program, should one be interested in experimenting with that sort of thing.
SolidCraft is still in early development, but so far quite a few features seem to work as they should.
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