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Our free and fast tool will convert most 3D mesh or MTL (OBJ Material File) model files to a standard 3MF (3D Manufacturing Format) 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 MTL files; up to 25 files at a time can be converted.
To convert your MTL file, click the Upload button above and select the file to convert. Once selected, the file will be converted to a 3MF file and will be ready for download shortly afterwards. For more information about the MTL to 3MF conversion process, see the conversion information section below.
| Extension | MTL |
| Full Name | OBJ Material File |
| Type | 3D Model |
| Mime Type | text/plain |
| Format | Text |
| Tools | MTL Converters, 3D Model Voxelizer, Create MTL Animation |
An MTL (material) file is most commonly associated with the 3D model format OBJ and is used by the OBJ file format as a means to store material information related to the OBJ model. This material information may also include textures, which are typically stored in separate image files.
The information is stored within the MTL file as plain text, making it easy to read and modify by hand. An MTL file does not have much use without the accompanying OBJ file; however, it can be used with our range of MTL converters to convert the materials into other 3D formats that also support materials such as FBX.
Due to their nature in that they only store material data, 3MF files, when imported, our tools will create some sample 3D geometry and apply the materials found within the 3MF file to this geometry.
| Extension | 3MF |
| Full Name | 3D Manufacturing Format |
| Type | 3D Model |
| Mime Type | application/vnd.ms-package.3dmanufacturing-3dmodel+xml |
| Format | Binary |
| Tools | 3MF Converters, 3D Model Voxelizer, Create 3MF Animation, Compress 3MF, 3MF Asset Extractor, Text to 3MF, 3MF Viewer |
3MF files are a modern 3D file format designed specifically for use with 3D printable models (additive manufacturing). It was designed to be the successor to the popular legacy STL format (also a common format in 3D printing) to overcome the limitations of that format.
The format of 3MF files is XML-based and compressed with standard Zip file compression, resulting in small, easily transferable files. The format supports 3D meshes along with associated materials and textures, all contained within the Zip file.
3MF files support material and color information. If your uploaded model contains color information, our tool will attempt to save this in the 3MF file at the end of the conversion process. Textures are supported and will be included in the final 3MF file.
First click the "Upload..." button, select your MTL file to upload. Select any configuration options. When the MTL to 3MF conversion has completed, you can download your 3MF file straight away.
We aim to process all MTL to 3MF 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 MTL file you submit to us. The resulting 3MF file, once created is deleted 15 minutes after upload and the download link will expire after this time.
No. All our conversion tools process your MTL file on our dedicated conversion servers, meaning you can use our tools on low-spec computers, laptops, tablets, and mobile devices and receive your converted 3MF file quickly.
Yes! Our MTL to 3MF 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 MTL 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.
Yes. When you have converted your MTL to 3MF, there is a "Feedback" option that you can use to let us know of any issues you encountered when converting your file.
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