Our free and fast tool will convert most FBX (Autodesk Filmbox) 3D model files to a standard STL (Standard Triangle Language) file that can then be edited further in most popular 3D graphics packages such as Blender or even turned into reality with a 3D printer. Our FBX converter can also batch convert multiple FBX files, up to 25 files at a time can be converted.
To convert your FBX file click the Upload button above and select the file to convert. Once selected, the file will be uploaded to our server and converted to an STL file ready for download shortly afterwards. For more information about the FBX to STL conversion process see the conversion information section below for more information.
Here are 2 simple steps to convert your FBX to STL.
First click the "Upload..." button, select your FBX file to upload. Select any configuration options. When the FBX to STL conversion has completed, you can download your STL file straight away.
We aim to process all FBX to STL conversions as quickly as possible, this usually takes around 5 seconds but can be more for larger more complex files so please be patient.
We aim to create the most accurate conversions with our tools. Our tools are under constant development with new features and improvements being added every week.
Yes, of course! We do not store the FBX file you submit to us. The resulting STL file, once created is deleted 15 minutes after upload and the download link will expire after this time.
Yes! Our FBX to STL tool will run on any system with a modern web browser. No specialist software is needed to run any of our conversion tools.
Yes. Although you can use an Ad Blocker, if you like our FBX conversion tool please consider white-listing our site. When an Ad Blocker is enabled there are some conversion limits on some of our tools and processing/conversion times will be longer.
Our tool can read binary FBX versions 7.0 and above and text formatted FBX files version 6.4 and above. Please ensure your FBX version meets these requirements before uploading.
Our tool will save all STL files in binary format. Optionally, our tool will allow you to save to the non-standard color STL format.
Yes! Our FBX tool supports full batch conversions. You can upload up to 25 FBX files at a time. Our tool will convert them all as quickly as possible. Once completed, you can either download the STL files individually or download them all in a single ZIP file.
Converting from the FBX file format to STL can be a complex process and any tool used for this conversion process needs to be able to handle a variety of data conversion tasks as well as identify any defects within the 3D model and fix them. Here we will explain the conversion process used by our tool to accurately convert your FBX file to a valid STL 3D model. Lets start with the conversion process, which involves the following steps:
In its simplest form, an FBX file can be either a plain text or binary file containing 3D data such as vertices, faces, normals and more. When combined, these make up the 3D model you see on your screen.
When our tool reads in this 3D data all we are interested in are the vertices, faces and normals as this is the only data that can be accurately converted into the final STL file.
The FBX file can contain other data such as material definitions and textures that describe how a particular set of 3D geometry should be rendered. As we are creating an STL file, which does not support materials and textures, we will be ignoring this data if it is present in the FBX file.
With the FBX file data read, our tool generates an internal representation of the full 3D model and will attempt to fix any geometry issues encountered. Along with repairing any issues with the 3D model, the tool will remove any duplicated vertices and prepare the model ready for exporting to the STL format.
The STL format has been around for many years and has become a standard format for 3D printing. Most 3D printing software can open STL files which means our tool now needs to take the in-memory 3D model we have created in step 2 and convert this to the STL format.
The FBX format by AutoDesk was originally developed by Kaydara in the 1990s as a means to store 2D or 3D content with motion data. It has evolved over the years to become a widely used format by 3D modelling applications such as Blender, 3D Studio Max and others due to its 3D animation capabilities.
The format is used to contain 3D models which includes vertices, faces and other 3D geometry along with animation data. The format is proprietary however there is a publicly available API to use for development purposes. The file contents can be either text or binary and work has been carried out by the Blender Foundation to document the format.
If your FBX file contains texture files and other texture related data, these will be included in the conversion process.
The STL file format has its roots in the 1980's and is the native file format for 3D Systems stereolithography CAD software. The format defines a triangulated mesh with vertices and faces and is a popular format for sharing 3D printable model files.
There were several formats that attempted to extend the STL format namely SolidView and VisCAM whose formats included limited 15-bit color information for each mesh face which is often ignored by most modern 3D software. The STL format can be either Text or Binary, our tools will support both formats.
The standard STL file format does not support colored faces or vertices or texture information. The STL file generated by the tool will contain only raw mesh/triangle data by default which is perfect for 3D printing.
The tool also has an option to save the file to one of the non-standard formats that support colored faces such as VisCAM and SolidView which is perfect if you want to further process the STL in software which supports these formats.
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