Nora3D

Start with a brief. You can describe a real-world use, bring an existing model, a hand-drawn sketch or measured dimensions, and name what must change and what must stay the same. Nora3D also offers a reusable part library of common starting points such as brackets, clips and enclosures.

Edit the detail that matters. Use prompts, for example asking for more room for a cable, a wider adapter pocket or a thumb recess while keeping the outer dimensions, and use the CAD tools to revise specific dimensions or features directly.

Inspect the result. Review the changed geometry and the structures around it, and confirm critical dimensions, clearances and orientation before exporting. The model is saved, so you can reopen it later and keep refining it.

Print, fit and refine. Export STL for slicing or STEP for downstream CAD, test the physical fit, and come back to the same editable design for the next revision.

• •Intent-first modeling - Start from the part you need, with useful dimensions and constraints, rather than first translating your intent into CAD commands.
• •Editable CAD, not just a mesh - The model stays editable in Nora3D, so supported dimensions and features can be revised after each test print.
• •Import and continue - Bring in an existing STEP or STL file and keep working on it; STEP carries solid geometry while STL carries a mesh, and available edits depend on the file.
• •Sketch as input - Use a hand-drawn outline to communicate intent, then refine the resulting CAD with dimensions and features.
• •Multi-device continuity - Start a design on a phone, refine it on a tablet and export from a computer without rebuilding the project.
• •Free CAD tools and STEP/STL export - Sketching, solid modeling and export cost nothing; AI Credits are only needed for AI features.

Nora3D is built for makers with a physical goal: people with a 3D printer who need a holder with a wider slot, an organizer with different spacing, or a lid with the right clearance. Hobbyists who are not fluent in traditional CAD can describe what they need and still end up with an editable model rather than a fixed mesh. Engineers and product designers can use it for quick functional prototypes and hand off a STEP file to the CAM, simulation or PDM tools they already use. Anyone iterating after a test print benefits from revising dimensions in the same model instead of starting again, and the free CAD tier means the tool remains usable even without a paid AI plan.