Frequently asked questions
Everything people ask before their first free print.
- Are these models really free?
- Yes. Every model is a free download on Printables; paid and premium models are skipped. Many licenses allow personal use only, so check before selling prints.
- How often is the list updated?
- Every hour, from Printables.
- What file formats are they?
- Mostly STL or 3MF files that open in any slicer, such as PrusaSlicer, Bambu Studio, Cura or OrcaSlicer.
- Do you charge anything?
- Never. The site is free and funded by unobtrusive advertising.
- Can I get notified about new models?
- Yes. Add your email in the alerts box and you get one message per batch of new models.
- Can an AI assistant use this data?
- Yes. The site runs an MCP server so Claude, ChatGPT and other agents can search current free 3D models.