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Our free and fast tool will convert most 3D mesh or 3DM (Rhinoceros 3D) model files to a standard OBJ (Wavefront) 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 3DM files, up to 25 files at a time can be converted.
To convert your 3DM file click the Upload button above and select the file to convert. Once selected, the file will be converted to a OBJ file and will ready for download shortly afterwards. For more information about the 3DM to OBJ conversion process see the conversion information section below for more information.
Here are 2 simple steps to convert your 3DM to OBJ.
First click the "Upload..." button, select your 3DM file to upload. Select any configuration options. When the 3DM to OBJ conversion has completed, you can download your OBJ file straight away.
We aim to process all 3DM to OBJ 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 3DM file you submit to us. The resulting OBJ file, once created is deleted 15 minutes after upload and the download link will expire after this time.
Yes! Our 3DM to OBJ 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 3DM 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! If your 3DM file contains textured geometry, the texture image files along with the texture coordinates (UV data) will be exported with the final OBJ file.
Yes! Our 3DM tool supports full batch conversions. You can upload up to 25 3DM files at a time. Our tool will convert them all as quickly as possible. Once completed, you can either download the OBJ files individually or download them all in a single ZIP file.
Converting from the 3DM file format to OBJ 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 3DM file to a valid OBJ 3D model. Lets start with the conversion process, which involves the following steps:
In its simplest form, an 3DM 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.
With the 3DM 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 OBJ format.
The OBJ format has been around for many years and has become a standard format for 3D modelling. Most 3D modelling software can open OBJ 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 OBJ format.
| Extension | 3DM |
| Full Name | Rhinoceros 3D |
| Type | 3D Model |
| Mime Type | x-world/x-3dmf |
| Format | Binary |
| Tools | 3DM Converters, 3D Model Voxelizer, Create 3DM Animation, View 3DM |
The 3DM format also known as Rhino3D or Rhinoceros 3D is a 3D graphics model file format developed and used in CAD applications, Industrial Design and 3D Printing. The format has some compatibility with Adobe Illustrator and can be exported as an AI file using vector graphics.
Although it is a 3D file format it stores data in the NURBS geometry format which allows for greater mathematically precision compared to triangle/polygon based mesh geometry formats such as STL. Along with support for converting between other CAD formats the 3DM format can also supports two different scripting languages.
If your 3DM file contains textures, these will be ignored. If a material contains color information this will be translated where possible.
| Extension | OBJ |
| Full Name | Wavefront |
| Type | 3D Model |
| Mime Type | text/plain |
| Format | Text |
| Tools | OBJ Converters, 3D Model Voxelizer, Create OBJ Animation, Text to OBJ, View OBJ |
| Open With | MeshLab, CAD Assistant |
The OBJ file format originally created by Wavefront Technologies and later adopted by many other 3D software vendors is a simple text-based file format for describing 3D model/geometry. This data can include Vertices, Faces, Normals, Texture Coordinates and references to external Texture files.
As the format is text-based it is relatively straight-forward to parse by 3D modelling applications. A downside of the text-based format is the files can be rather large compared to similar binary formats such as STL and compressed files such as 3MF.
Our tool will save any material and texture files separately, these additional files will be included with your final OBJ file at the time of download.
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