How to open a .3mf

A .3mf is a ZIP of XML, so plenty of tools can read it. What differs is how much of it you get: the mesh alone, or the mesh plus the print settings.

How do I open a .3mf online?

Drop it on preslice. The file is read inside the browser tab, so the answer is the same on your own laptop and on a locked-down work machine. You get the mesh, the plates and every print setting it carries.

How do I open a .3mf on a Mac?

macOS has no preview for it. Quick Look covers Apple's own .usdz and hands this one to an app you install, so a browser tab is the shorter route. A slicer works too, if you already have one.

How do I open a .3mf on Windows?

Windows 10 came with 3D Viewer, which reads .3mf and shows the mesh. Windows 11 does not ship it, and a browser tab opens the same file.

How do I view a .3mf on an iPhone?

Nothing on iOS opens one by itself. Send the file from Files, or from the message it arrived in, straight to a browser tab.

How do I view a .3mf on Android?

Chrome does it. Open the file from Downloads and the mesh and the settings render in the tab, on the phone.

Can Bambu Studio open a .3mf?

Yes. Drag it onto the plate, or open it from the File menu. A project written by another slicer loads its geometry and warns that the settings did not come with it.

Can Cura open a .3mf?

Yes, and it reads its own projects in full. In Cura 5.10 and earlier, a project from Bambu Studio, OrcaSlicer or Creality Print often opens empty. See Cura says there were no models.

Can I open a .3mf in Blender?

Not without an add-on. Install 3MF Import/Export from Blender Extensions and Blender reads the mesh.

Can I open a .3mf in Fusion 360?

Insert Mesh accepts Mesh Files (*.3mf, *.obj, *.stl) and brings the model in as a mesh body.

Can I open a .3mf in SolidWorks?

File, then Open, then pick 3D Manufacturing Format under Files of type. SOLIDWORKS 2017 and later import it as a mesh.

What do the CAD importers leave behind?

All three take the triangles and stop. Layer height, temperatures, filaments, plates and supports stay in the file, unread: they live outside the mesh the 3MF Core Specification describes, so a mesh importer has no reason to read them. Open the same file in preslice to read them, or in the slicer that wrote it. To turn the mesh into a STEP solid, see 3MF to STEP. For an OBJ, see 3MF to OBJ.

Is it safe to open a .3mf?

Yes, in an up-to-date app. A .3mf does not run by itself; see can a .3mf file have a virus.