How to Open 3MF Files in Bambu Studio
Bambu Studio is Bambu Lab's slicer for its X1, P1 and A1 printers, and it opens models through File › Import.
Short answer · Built in
Yes. Bambu Studio opens 3MF files as shipped: File › Import (Ctrl+I) or File › Open Project for Bambu 3MF projects.
Import 3MF into Bambu Studio, step by step
- 1Check the fileA 3MF is a zipped package that can contain several objects, colours and print settings; don't unzip it before importing.
- 2Import into Bambu StudioFile › Import (Ctrl+I) or File › Open Project for Bambu 3MF projects.
- 3Check scale and orientationBambu Studio works in millimetres and is Z-up. 3MF files are millimetres, stored in the file, so they normally arrive at the right size.
- 4Place it and sliceLay the flattest face on the plate, confirm the dimensions in the object panel, and slice. Slicers ignore textures and animation.
What comes through
| Shape | Yes, always. |
| Colours and materials | Ignored: Bambu Studio only uses the shape. |
| Textures | Not used by a slicer. |
| Animation | Bambu Studio doesn't play animation. |
Things to watch for
- 3MF can carry colours and plate settings, which matters for AMS multi-colour prints.
- Use Lay on Face (F) to put the flattest side on the plate before slicing.
Questions
- Does Bambu Studio support 3MF files?
- Yes. Bambu Studio opens 3MF files as shipped: File › Import (Ctrl+I) or File › Open Project for Bambu 3MF projects.
- Why is my 3MF model the wrong size in Bambu Studio?
- 3MF files are millimetres, stored in the file, while Bambu Studio works in millimetres. If a model imports tiny, Bambu Studio offers to convert from inches or metres; accept it or scale by 1000% in the object panel.
- What is the best 3D format for Bambu Studio?
- 3MF and STL are the most reliable choice for Bambu Studio. 3MF is one of them, so you're already using a good option.
Menu names follow Bambu Lab's current release. Check the official Bambu Studio documentation if your version differs.
Written with AI assistance by the Renderlyst team in October 2026. Format support reflects each app's current release as we understand it, and we link the official documentation so you can confirm it for your version. Spotted something out of date? Email alishbakhalid766@gmail.com.