What is a mdl file and how do I open a mdl file?
MDL, or simulation model files are created with Simulink, a simulation and model-based design application. They contain the block diagram and block properties of the simulation. MDL files are saved in a plain text format and typically include a list of objects. Each object contains a set of properties and values that are delimited by line breaks.
MDL files extensions are also files developed by Valve and used as Half-Life Model Files since they are the 3D models that are used in the Half-Life video game as characters and creatures. This is why MDL files are categorized as game files. These files are called 3D models because they contain the views, the textures and polygons of the game in3D. MDL files make use of different views to be seen and these views are flatshaded, textured, wireframe and smoothshaded. They are viewed with the use of the Half-Life Model Viewer. MDL files are also compiled with VTX files. The files are mostly used by Half Life, which is a first person shooter game wherein players play the role of Gordon Freeman, fighting their way out of a research facility that has gone wrong. Although MDL files are mainly used by Half Life, it is not only the half Life game itself that can open these files. The Half-Life Model Viewer and MilkShape 3D as well as other applications can also open MDL files.
Relevant mdl file links:How to open mdl file on Youtube
How to open mdl file on Wikipedia
How to open mdl file on Microsoft.com