AI STL Generator — Create Print-Ready STL Files with AI

SliceFoundry's AI STL generator turns a description into a printable STL file you can preview, refine through follow-up prompts, and export for any FDM printer. Unlike general-purpose AI image tools, SliceFoundry's output is parametric geometry intended for 3D printing — real dimensions and print-ready solids.

How the AI STL Generator Works

  1. Describe the part (or upload a reference photo).
  2. Preview the printable solid in the browser.
  3. Refine with plain-language follow-ups until the fit is right.
  4. Download the STL and open it in your slicer.

After the STL: Iterate Until It Prints

A great STL is only the start. Refine wall thickness, mounting holes, and fit with plain-language follow-ups — "make the hole 6mm", "thicken the walls", "add a cable pass-through". Every iteration builds on the last until the part prints exactly right.

After generating your model, export the STL and open it in Cura, OrcaSlicer, Flash Studio, PrusaSlicer, or Bambu Studio. Refine the geometry with follow-up prompts until the fit is exactly right — no CAD required.

Try the AI STL Generator

Open SliceFoundry's AI STL generator →

Prefer Hands-On CAD? Try Draftr

When you'd rather design a part precisely by hand than generate it from a prompt, Draftr is a desktop CAD application for Windows and macOS that combines AI with organic parametric CAD in an IDE-like workspace. It pairs a full parametric toolset — sketches, pads, pockets, fillets, chamfers, patterns, and threads — with natural-language AI commands, then exports print-ready STL files (and supports STEP-oriented CAD workflows). It's the natural next step once you outgrow prompt-based generation and want precise, editable, parametric models. Learn more at draftrcad.com.