Best 3D Printing Software & Websites

Official slicer for Bambu Lab printers, with multi-color AMS support.

Open-source slicer with built-in calibration tests; supports most FDM brands.

Mature open-source slicer with excellent support and modifier tools.

Popular slicer with profiles for Creality and many other printers.

The standard slicer for Elegoo, Anycubic and most resin printers.

Resin slicer with smart auto-supports and hollowing (free and paid tiers).

Bambu Lab’s model library with print-ready profiles you can open in one click.

Large, well-moderated library from Prusa, including Arabic-tagged designs.

The original and biggest free model library.

Search engine that finds models across many sites, including by shape.

Browser-based and beginner-friendly — ideal for kids, schools and simple parts.

Professional parametric CAD; free personal-use licence available.

Cloud CAD that runs in the browser; free plan for public projects and education.

Fully free, open-source parametric CAD for engineering parts.

Free sculpting and modeling for characters, art and organic shapes.

Browser-based repair of holes, normals and non-manifold geometry.

Private, in-browser STL repair using WebAssembly.

Drop-and-download STL repair with no sign-up.

AI-assisted repair, good for AI-generated or badly broken models.

Turn photos into lithophanes, lamps and light boxes.

Text, lithophane and QR generators with multi-language support.

Keychain, Gridfinity, sign and cookie cutter generators.

Calibration calculators, model viewer and converter.