Free Tools for 3D Printing Enthusiasts

Made by a maker, for makers. Search millions of 3D models, fix broken STL files, reduce mesh complexity, and preview your prints — all free, no signup required.

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All Tools

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3D Model Search

Search millions of free STL files from Thingiverse, Printables, MyMiniFactory, Cults3D, and more — all in one place.
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STL Fixer

Repair broken 3D models instantly. Fix holes, inverted normals, and non-manifold edges. Get a mesh health score (A-F grade).
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STL Reducer

Reduce polygon count and file size without losing detail. Perfect for optimizing large models for faster slicing and printing.
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STL Previewer

View STL files in 3D right in your browser. Rotate, zoom, inspect geometry, and export screenshots — no software needed.

About Sliceify

Sliceify is a collection of free, browser-based tools made for 3D printing enthusiasts. Built by a maker, for makers — Sliceify helps you prepare your 3D models faster by bringing everything you need into one place.

No installs. No paywalls. No waiting for desktop software to load. Just quick, powerful tools you can open in your browser to fix, reduce, preview, and search STL files.

Whether you're repairing a broken model, optimizing print time, or searching millions of 3D printable designs, Sliceify makes your workflow simple and smooth.

Why Use Sliceify

  • 🧩 Fix broken STL files with STL Fixer (non-manifold edges, holes, inverted normals)
  • ⚡ Shrink and simplify models with STL Reducer
  • 🔍 Preview and analyze models online with STL Previewer
  • 🌎 Search millions of STL models across marketplaces with 3D Model Search
  • 💡 100% free — no login, no downloads, no hidden limits

Sliceify is built to save you time and keep your prints perfect. Each tool runs directly in your browser — lightweight, fast, and secure.

"We built Sliceify to make 3D printing simpler — not harder."

Free 3D Printing Tools in One Place

Sliceify brings the best free tools for makers together. With just a browser, you can fix broken files, compress large 3D models, preview before slicing, and explore millions of printable designs from sites like Thingiverse, Printables, MyMiniFactory, and Cults3D — all from one platform.

Our mission is simple: help every maker spend less time fixing and more time printing.

Made for 3D printing hobbyists, designers, engineers, and anyone who loves making things real.

More Coming Soon...

Have an idea for a tool that would make 3D printing easier? Email me at sliceify3d@gmail.com