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Our free and fast tool will convert most 3D mesh or MPD (Lego Model) model files to a standard X3D (Extensible 3D Graphics) 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 MPD files; up to 25 files at a time can be converted.
To convert your MPD file, click the Upload button above and select the file to convert. Once selected, the file will be converted to a X3D file and will be ready for download shortly afterwards. For more information about the MPD to X3D conversion process, see the conversion information section below.
First click the "Upload..." button, select your MPD file to upload. Select any configuration options. When the MPD to X3D conversion has completed, you can download your X3D file straight away.
We aim to process all MPD 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 MPD 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 MPD 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 MPD 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 MPD to X3D, there is a "Feedback" option that you can use to let us know of any issues you encountered when converting your file.
Yes! Our MPD tool supports full batch conversions. You can upload up to 25 and MPD files at a time. Our tool will convert them all as quickly as possible. Once completed, you can either download the X3D files individually or download them all in a single ZIP file.
| Extension | MPD |
| Full Name | Lego Model |
| Type | 3D Model |
| Mime Type | application/octet-stream |
| Format | Binary |
| Tools | MPD Converters, 3D Model Voxelizer, Create MPD Animation, MPD Viewer |
An LDRAW file, which uses the MPD file extension, is a 3D file format used to store Lego 3D models and is a popular open format used by enthusiasts to share their Lego creations.
Contained within an MPD file is information for each brick within the Lego object, as well as color and other relevant data. MPD files can be opened with the LDraw software.
| 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 MPD 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 MPD file to a valid X3D 3D model. Let's start with the conversion process, which involves the following steps:
In its simplest form, an MPD 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 MPD file format, please see this great article that goes into a lot of detail explaining the MPD format.
With the MPD 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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