Text to CAD — Describe It, Get an Editable Parametric Model

Draftr's text-to-CAD workflow converts a plain-language description into a real parametric solid model. You write what you want; Draftr builds the geometry, shows it live, and hands you a model you can keep editing — by hand with direct tools or by describing further changes.

This is the gap text-to-CAD fills: you have a clear idea of a part but don't want to spend an afternoon in Fusion, SolidWorks, or FreeCAD sketching it from scratch. Describe it once and start from a working model instead of a blank workspace.

What to Put in the Prompt

• Purpose — what the part does and what it attaches to.
• Dimensions — overall length, width, height, wall thickness, hole diameters, shaft sizes, in millimetres.
• Features — pockets, bosses, ribs, fillets, chamfers, counterbores, mounting holes.
• Orientation — which face is the base, where things mount.

From Prompt to Solid in Four Steps

1. Write the description in plain English.
2. Draftr generates a parametric solid and renders it in the viewport.
3. Refine it — describe a change with Quick Edit, or reach for a direct tool like pad, pocket, or fillet.
4. Export STEP, STL, or GLB.

Text to CAD vs. Text to Mesh

A mesh generator gives you triangles you can print but can't cleanly edit. Draftr produces parametric solids with an editable feature history, so "make the hole 6mm" or "add a rib along this edge" is a real modeling operation — not a re-roll of the whole shape. When you're done, STEP export means the model opens as editable geometry in other CAD tools too.

Great For

• Custom brackets, mounts, and adapters described by dimension.
• Enclosures sized to a specific board or module.
• Replacement parts you can measure and describe.
• Jigs, fixtures, and tooling you'll iterate on.

One Tool, From Idea to Printable Solid

Draftr is a native desktop app for macOS and Windows. The geometry runtime ships inside the app, so it works offline right after install — no cloud round-trip to model a part. Every AI generation and edit lands as a versioned step in a non-destructive draft stack, so you can go back, change an earlier operation, and rebuild everything downstream without losing your parametric intent.

Explore the rest of Draftr: AI CAD generator, text to CAD, STL to CAD, AI 3D model generator, image to CAD, parametric CAD software, and free CAD software.

Download Draftr for macOS or Windows →  ·  Read the documentation →