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Here we detail how to convert your U3D file to an X3D file using the export options found within the SolidWorks application. Currently, our converters cannot convert directly from U3D to X3D. However, using the built-in export functions of SolidWorks, we can achieve the conversion.
Firstly, you will need to load your U3D file into SolidWorks and select the export to STEP option. Once you have your file in the STEP format, you can use our STEP to X3D converter to complete the conversion process.
Here are two simple steps to convert your U3D to X3D.
We aim to process all U3D to X3D 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 U3D file you submit to us. The resulting X3D file, once created is deleted 15 minutes after upload and the download link will expire after this time.
Yes! Our U3D to X3D 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 U3D 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 U3D to X3D, there is a "Feedback" option that you can use to let us know of any issues you encountered when converting your file.
| Extension | U3D |
| Full Name | Universal 3D |
| Type | 3D Model |
| Mime Type | model/u3d |
| Format | Binary |
| Tools | U3D Converters, 3D Model Voxelizer, Create U3D Animation |
The U3D file is a 3D file format (Universal 3D) developed by a consortium of well-known companies in 2005 with the idea of creating a standardized file format for storing 3D data, including mesh vertices, textures, bones, and effects.
U3D files are binary in nature, containing a block-based structure that, following later revisions, could be extended with custom blocks.
| Extension | X3D |
| Full Name | Extensible 3D Graphics |
| Type | 3D Model |
| Mime Type | model/x3d+xml |
| Format | Text |
| Tools | X3D Converters, 3D Model Voxelizer, Create X3D Animation, Compress X3D, X3D Asset Extractor, Text to X3D, X3D Viewer |
| Open With | Blender, MeshLab |
The X3D file format was introduced in 2002 as a successor to the 3D VRML (WRL) file format. X3D files contain 3D mesh and model information defined using vertices, faces, normals, and material data, making them broadly as capable as the older VRML format.
X3D files are structured XML text-based files that allow full 3D scenes to contain models comprised of 3D mesh data and other simple shapes. There are browser extensions that allow X3D files to be directly embedded within HTML to allow rendering directly to a web page; however, the format has not seen widespread adoption.
X3D files support material and color information. If your uploaded model contains color information, our tool will attempt to save this in the X3D file at the end of the conversion process. Texture information is not supported at this time.
Converting from the U3D file format to X3D 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 U3D file to a valid X3D 3D model. Let's start with the conversion process, which involves the following steps:
In its simplest form, an U3D 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.
For more information regarding the U3D file format, please see this great article that goes into a lot of detail explaining the U3D format.
With the U3D 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 for exporting to the X3D 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 it to the X3D format.
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