Our free and fast tool will convert most 3D mesh or Blender - BLEND model files to a standard STL mesh file that can then be edited further in most popular 3D editing packages or 3D printed without any further processing. Our conversion tool can also batch convert multiple Blender files, up to 25 files at a time can be converted.
To convert your Blender BLEND file click the Upload button above and select the file to convert. Once selected, the file will be converted to a STL file and will ready for download shortly afterwards. For more information about the BLEND to STL conversion process see the conversion information section below for more information.
Here are 2 simple steps to convert your BLEND to STL.
First click the "Upload..." button, select your BLEND file to upload. Select any configuration options. When the BLEND to STL conversion has completed, you can download your STL file straight away.
We aim to process all BLEND 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 BLEND 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 BLEND 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 BLEND 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.
We currently support all Blender files compatible with version 4.0. We monitor and update our tool as newer versions become available.
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 BLEND tool supports full batch conversions. You can upload up to 25 BLEND 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 BLEND 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 BLEND file to a valid STL 3D model. Lets start with the conversion process, which involves the following steps:
In its simplest form, an BLEND file is a binary data 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 BLEND 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 BLEND file.
With the BLEND 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.
| Extension | BLEND |
| Full Name | Blender |
| Type | 3D Model |
| Mime Type | application/octet-stream |
| Format | Binary |
| Tools | BLEND Converters, 3D Model Voxelizer, Create BLEND Animation, Text to BLEND, View BLEND |
| Open With | Blender, DAZ Studio |
The BLEND file type is the native 3D graphics file format of the 3D modelling application Blender. Originally released in 1994 Blender has grown over the years and is one of the most popular 3D applications available.
BLEND files store 3D content such as 3D geometry, vertices, faces, normals, animations, materials and much more. Blender is free and open-source and contains many features you would expect in a high-end 3D editing application and is available for most current operating systems.
If your BLEND file contains texture files and other texture related data, these will be included in the conversion process.
| Extension | STL |
| Full Name | Standard Triangle Language |
| Type | 3D Model |
| Mime Type | application/vnd.ms-pki.stl |
| Format | Text & Binary |
| Tools | STL Converters, 3D Model Voxelizer, Create STL Animation, Text to STL, View STL |
| Open With | Blender, DAZ Studio, MeshLab, CAD Assistant |
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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