Our free and fast tool will convert most 3D mesh or BLEND (Blender) model files to a standard VTK (Visualization Toolkit) file that can then be edited further in most popular 3D editing packages such as Blender or 3D printed without any further processing. Our conversion tool can also batch convert multiple BLEND files, up to 25 files at a time can be converted.
To convert your BLEND file click the Upload button above and select the file to convert. Once selected, the file will be converted to a VTK file and will ready for download shortly afterwards. For more information about the BLEND to VTK conversion process see the conversion information section below for more information.
Here are 2 simple steps to convert your BLEND to VTK.
First click the "Upload..." button, select your BLEND file to upload. Select any configuration options. When the BLEND to VTK conversion has completed, you can download your VTK file straight away.
We aim to process all BLEND to VTK 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 VTK file, once created is deleted 15 minutes after upload and the download link will expire after this time.
Yes! Our BLEND to VTK 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.
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 VTK files individually or download them all in a single ZIP file.
Converting from the BLEND file format to VTK 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 VTK 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 VTK 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 VTK 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 VTK format.
With the conversion process entering its final stages, our tool now needs to take the in-memory 3D model we have created in step 2 and convert this to the VTK 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 | VTK |
| Full Name | Visualization Toolkit |
| Type | 3D Model |
| Mime Type | application/octet-stream |
| Format | Binary |
| Tools | VTK Converters, 3D Model Voxelizer, Create VTK Animation, Text to VTK, View VTK |
The VTK file format is a 3D modelling and graphics format supported by the Visualization Toolkit. Created in the '90s the Visualization Toolkit provides a series of data and visual tools for advanced 3D modelling applications. Some example functions of the toolkit include polygon simplification, mesh repair and smoothing and more.
The format has evolved over the years. Starting out as a simple text-based format that could be edited within a simple text editor. Additional features have been added over the years with the most recent version of the format supporting an Xml based format.
Any model converted to the VTK format will be stored in a triangulated mesh format.
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