F3Z is a Fusion 360 archive bundling a design with everything it references. Created by Fusion 360. Autodesk offers Fusion 360 free for personal hobbyist use, which has made its files a fixture of the maker and 3D-printing community. An F3Z bundles an assembly’s F3D along with every component, sub-assembly and reference it depends on. Fusion 360 designs use ShapeManager, a kernel derived from ACIS, so an F3Z carries full parametric construction history.

How do I open a .F3Z file?

Drop a .F3Z file onto Analyser at https://lab.valjdakosta.com/ and it opens directly in your browser - no upload, no account and no software to install. Open an Autodesk Fusion 360 design (.f3d) or archive (.f3z) and read what it holds: the document type (part, assembly, drawing or sheet metal), the Fusion document version, the number of solid bodies and embedded appearance assets, and the thumbnail Fusion rendered into the file - shown as the model. The editable geometry is stored as Autodesk ShapeManager BREP, a proprietary format that cannot be rebuilt in the browser, so export to STL, OBJ, STEP or 3MF for the full 3D viewer.

Can I open a .F3Z file online for free?

Yes. Analyser is a free online .F3Z opener and viewer that runs entirely in your browser - your .F3Z file never leaves your device, so there is nothing to upload and no software to install. It even works offline once installed.

.F3Z file - what it is and how to open it online

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What is a .F3Z file?

F3Z is a Fusion 360 archive bundling a design with everything it references. Created by Fusion 360.

Did you know: Autodesk offers Fusion 360 free for personal hobbyist use, which has made its files a fixture of the maker and 3D-printing community.
An F3Z bundles an assembly’s F3D along with every component, sub-assembly and reference it depends on.
Fusion 360 designs use ShapeManager, a kernel derived from ACIS, so an F3Z carries full parametric construction history.
What Analyser shows you: Open an Autodesk Fusion 360 design (.f3d) or archive (.f3z) and read what it holds: the document type (part, assembly, drawing or sheet metal), the Fusion document version, the number of solid bodies and embedded appearance assets, and the thumbnail Fusion rendered into the file - shown as the model. The editable geometry is stored as Autodesk ShapeManager BREP, a proprietary format that cannot be rebuilt in the browser, so export to STL, OBJ, STEP or 3MF for the full 3D viewer.
Open a .F3Z file: Drag a .F3Z file onto the Analyser home page (or tap to pick one). It opens entirely in your browser - nothing is uploaded, there is no account, and it works offline once installed.
Related formats: .F3D. See all supported file types.