AI Replacement Part Generator — Photo of a Broken Part to Printable STL

SliceFoundry's AI replacement part generator helps you recreate a printable spare from a photo of a broken or missing part — or from a plain-language description when you only have measurements. If a plastic clip snapped, a knob went missing, or an OEM part is discontinued, upload a picture, add hole sizes and thickness notes, then generate a downloadable STL you can print.

Instead of searching endlessly for the exact STL or learning CAD from scratch, you can create a custom repair part: knobs, brackets, clips, covers, mounts, adapters, spacers, trays, enclosures, hinges, and small mechanical components.

How the Replacement Part Generator Works

  1. Upload a photo of the part (or the broken remnant) and describe what connects to what — hole diameter, thickness, length, width, shaft size.
  2. Generate a printable solid. SliceFoundry turns your photo + description into geometry you can preview in the browser.
  3. Refine the design with follow-up prompts. Ask for changes like "make the tabs thicker", "move the screw holes 5mm apart", "round the edges", or "add a 6mm center hole".
  4. Download the STL. Export for Cura, OrcaSlicer, Flash Studio, PrusaSlicer, Bambu Studio, or your preferred slicer.

Example Replacement Parts

After generating your replacement part, export the STL and open it in your slicer. SliceFoundry can also help create slicer profiles for common tools like OrcaSlicer, Flash Studio, PrusaSlicer, Bambu Studio, and Cura. If the print fails or the fit is off, use Fix My Print to diagnose issues and improve your next attempt.

Related

Generate a Replacement Part

Open SliceFoundry and recreate a broken part from a photo →

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.