1. Thingiverse.com is the place to share digital designs for fabricating real, physical objects.

  2. Your all-in-one workspace for collaborative product development. Agile PLM tools for distributed teams. i.e. compare PLM tools, compare BOM tool, compare product development tools

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  3. Helping mechanical engineers build great products faster

  4. DIY How To Make Instructions

  5. The best open source print files and designs available for you to build upon or simply download and 3D print!

  6. Cults is a marketplace that connects designers and people who want to 3D print some objects.

  7. The 3d models search engine.

  8. MyMiniFactory is the world’s leading curated platform for 3D printable objects.

  9. A open source file sharing site that is not tied to any 3D printer manufacturer.

  10. Free 3D Models, TF3DM is the go to place where you can share your free 3d assets and download instantly any you like.

  11. Threeding.com is а marketplace for free and paid 3D printable models and files. On our online platform individuals & businesses can buy, sell or just exchange 3D printing designs.

  12. Wikifab is a wiki-based site. The platform documents instructions for simple and technical projects.