Free Online F3D to STL Converter

Use our free-to-use F3D to STL CAD to 3D model converter to effortlessly convert your F3D files. Our converter can apply extrusion to your F3D files, which can then be edited in most 3D editing applications. As our F3D to STL tool is able to batch convert your files, you can upload a maximum of 20 files at a time.

Or drag and drop your files here to upload.
A maximum of 20 files can be uploaded at once.

Please note: Your F3D file, once uploaded to our server, will be deleted 15 minutes after upload, so please download your converted F3D file before this time.

To begin, click the button above and select your F3D CAD files. Once selected, your CAD files will be added to the conversion list. From here, you will be able to set any conversion properties, such as extrusion depth, by clicking the button. When you are ready, click the Convert button to convert your files.

How to Convert your F3D to STL Online?

Here are two simple steps to convert your F3D to STL using our fast and free F3D converter tool.

Upload your F3D file

Click the "Upload a F3D File" button, then select a F3D to upload. The maximum file size is 100MB.

Download your STL

Click the download link to receive your STL file.

Frequently Asked Questions

How can I convert my F3D file to STL?

First, click the "Upload..." button and select your F3D file to upload. Your F3D file will be uploaded to our servers. When the F3D to STL conversion has completed, you can download your STL file right away.

How long does it take to convert my F3D to STL?

We aim to process all F3D to STL conversions as quickly as possible; this usually takes around 5 seconds; however, this can be longer for certain files, so please be patient.

How accurate is the F3D to STL conversion?

We aim to provide the best conversion experience. Our tools are under constant review and development, with new features being added every week.

File format information for F3D and STL

ExtensionF3D
Full NameFusion 360
TypeCAD
Mime Typeapplication/octet-stream
FormatBinary

The F3D format is a purpose-built file format created by Autodesk for use with their Fusion 360 Computer Aided Design (CAD) software. Fusion 360 is popular for use in various engineering and manufacturing sectors, with the format continuing to evolve with new features added with each new release.

Contained within an F3D file is the 3D object, along with its associate elements. These are defined in a manner that incorporates a complete history of the object, allowing adjustments to be made to earlier parts of the object while maintaining the final valid 3D model.

As F3D files can only be opened using Fusion 360, support for opening these files with other software is limited. Fusion 360 does offer export options for STEP, STL, and other popular formats, meaning F3D files can be indirectly converted to other formats and consumed by other CAD applications relatively easily.

ExtensionSTL
Full NameStandard Triangle Language
Type3D Model
Mime Typeapplication/vnd.ms-pki.stl
FormatText
Opens WithBlender, MeshLab, CAD Assistant, DAZ Studio

The STL, or Standard Triangle Language, file format has been around since the '80s and is supported by most modern 3D modelling applications. In particular, the STL format has become something of a standard format within the area of 3D printing, despite the rise of more modern formats such as 3MF.

STL files come in two flavours: binary or text format. The text format is human-readable, making it easy to perform manual edits, but can lead to very large file sizes. As you can imagine, the binary format is much more compact and represents the majority of the STL files you are likely to encounter.

The format itself is very simple; the 3D model is represented by a sequential list of triangles, with each triangle defined with 3 points consisting of their X, Y, and Z positions, along with an additional vector that contains the face normal (the direction the face is pointing). There is an additional attribute block for each triangle; however, this is largely unused and thus unsupported.

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