The .lxf file format is a file extension found in files that are frequently associated with LEGO Digital Designer. LEGO Digital Designer (LDD) is a computer application that works like a CAD software. Produced by the LEGO Group as part of LEGO Design byME, the LDD allows users to build models using virtual LEGO bricks in a way that is very similar to CAD programs. It is available for Mac and Windows platforms.
The .lxf file contains a 3D model created by using the LEGO Digital Designer. The .lxf file is saved using the .ZIP compression format and within each .LXF file, there are three files, namely: MODEL100.MODEL which is a binary .lxf scene file that describe the the environment setting of the model, IMAGE100.PNG, the thumbnail images of the model- that keeps the project from lagging when loading and IMAGE100.LXFML- an XML formatted documents which describes the location of the bricks.
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