File extension .LDR
Full Name | Developer | Category |
---|---|---|
LDraw Model Format | LDraw.org | CAD Files |
The LDR (LDraw Model File) file extension is a format used by LEGO Digital Designer, a LEGO program for the creation of 3D designs. It stores models using the built-in LDraw language, which is an open standard for its type of program. These models are created using pieces from sets of virtual LEGO bricks that come with LEGO Digital Designer. The LDR files are composed of instructions which specify the shape, position, texture and color of the digital LEGO pieces.
The LDR files can be imported into other 3D modeling and animation programs. The most common programs used for importing and exporting these files are Blender, Rhinoceros 3D, and POV-Ray. After exporting, the model can then be used in videos or printed out as a physical 3D object.
Similar Formats
The LDR file format has similar known file types, including the MPD, LDT, DAT, and MPH. These files all contain information related to LEGO Digital Designer models, although their exact usage and compatibility may depend on the specific program.
After installing the required software, the operating system will usually automatically associate an unknown file type (in this case .LDR) with the new application. If this does not happen, we can help the system a bit by selecting the software for it, which it should always use to open files with the .LDR extension.
When choosing the software we can select the system to use this software every time.
Remember!
Using it for the first time it is good to check whether the .LDR file opened in the application can be read by us and opens in a way that allows us to use it. If everything is in order, select this option the next time you open a file with the .LDR extension. However, if the file has not opened correctly, we have to look for a different software, with which we can open files with the .LDR extension. Select a different software from our list and install it on your computer. After the software is installed, repeat inspection openings of a .LDR file. Sometimes you have to repeat the operation several times.
Other instructions
If none of the programs listed by us to work with the .LDR file has not meet your expectations, you can try searching other websites. But remember to avoid downloading programs "that can open any file". These applications not only have very limited functionality, but may also expose you to expense tens of dollars when purchasing a license.
In the vast majority of cases you will find the program dedicated to support the .LDR file, or any other file format. In addition, there is a chance that it will be a free program, and its functionality (concerning the .LDR file) will be extended to the maximum.
It is also good to check
- if the .LDR file has no errors
- or if it has been copied (or downloaded by the browser) thoroughly
Author’s guidelines

Mr B. Adam
Author of the guidelines / Founder of FileExtension.info
New technologies enthusiast, helping to solve problems with the files.
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