.MDL File Extension

There are 8 file types use the .MDL file extension:

  1. MathWorks Simulink Model
  2. Half-Life Model File
  3. Warcraft 3 3D Model Text File
  4. Flight Simulator Airplane Model
  5. Rational Rose Model File
  6. DigiTrakker Module
  7. Lectra Modaris Clothing Design File
  8. Luigi's Mansion 3D Model File

2. Half-Life Model File

Half-Life Model File

An MDL file is a three-dimensional model used for characters and creatures in the Half-Life video game. It is created using polygons and texture mapping for detail. MDL models can be seen from different views (wireframe, flatshaded, smoothshaded, and textured) using the Half-Life Model Viewer.

NOTE: QC files are actually used by Valve's Source game engine, so they are not restricted to Half-Life models.

Updated: February 28, 2015

3. Warcraft 3 3D Model Text File

Warcraft 3 3D Model Text File
  • Developer Blizzard Entertainment
  • Popularity
    4.5 (42 votes)
  • Category 3D Image Files
  • Format Text

An MDL file is a model file used by Warcraft III, a real-time strategy game developed by Blizzard Entertainment. It stores a 3D model, including objects, meshes, and textures for buildings and units. MDL files allow text-based editing of model properties before generating a binary .MDX file used by Warcraft III.

MDL files use a nested structure to create model properties. For example, a material element may include a layer property which in turn defines a transparent property for the layer.

NOTE: MDL files are the text version of MDX 3D model binary files. They can be converted to the MDX format using the MDLX Converter program. From there, you can use several modeling tools to edit the model.

Software's name License Platforms
Apple TextEdit Apple TextEdit Bundled Mac
Blizzard Warcraft 3 Art Tools Blizzard Warcraft 3 Art Tools Paid Windows
MDLX Converter MDLX Converter Free Windows
Microsoft Notepad Microsoft Notepad Bundled MacWindows
Notepad++ Notepad++ Freeware Windows
Other text editor Other text editor LinuxMacWindows

Updated: August 30, 2010

4. Flight Simulator Airplane Model

Flight Simulator Airplane Model
  • Developer N/A
  • Popularity
    3.7 (25 votes)
  • Category Misc Files
  • Format N/A

An MDL file is a three-dimensional model of an airplane or other aircraft used by Microsoft Flight Simulator. MDL is a standard model format used by multiple versions of the Flight Simulator series.

Software's name License Platforms
Microsoft Flight Simulator Microsoft Flight Simulator Commercial MacWindows

Updated: October 16, 2016

5. Rational Rose Model File

Rational Rose Model File
  • Developer IBM
  • Popularity
    3.7 (13 votes)
  • Category Data Files
  • Format N/A

An MDL file is a diagram or model created by Rational Rose software. It is used for modeling software architecture and design, and creating business models that improve predictability and productivity.

Software's name License Platforms
IBM Rational Rose   —  Discontinued IBM Rational Rose  —  Discontinued Paid LinuxWindows

Updated: April 12, 2007

6. DigiTrakker Module

DigiTrakker Module
  • Developer N/A
  • Popularity
    3.3 (22 votes)
  • Category Audio Files
  • Format N/A

An MDL file is an audio tracking module file used by the DigiTrakker music tracking program.

Software's name License Platforms
CocoModX CocoModX Freeware Mac
MODPlug Player MODPlug Player Freeware Windows
Prodatron DigiTrakker Prodatron DigiTrakker Windows

Updated: June 23, 2016

7. Lectra Modaris Clothing Design File

Lectra Modaris Clothing Design File
  • Developer Lectra
  • Popularity
    2.9 (21 votes)
  • Category CAD Files
  • Format N/A

An MDL file is a CAD file created by Lectra Modaris, a clothing design application. It saves the "cutter's must" list (or direction card) as well as the geometry for the pieces of the garment. MDL files are used for saving new fashion design's in men's, women's, and children's clothing.

When a design is complete, it can be sent to a machine cutter that cuts the designed patterns in a roll of fabric or another material.

Software's name License Platforms
Lectra Modaris Lectra Modaris Paid Windows
PAD Pattern Design PAD Pattern Design Free Trial Windows

Updated: September 1, 2016

8. Luigi's Mansion 3D Model File

Luigi's Mansion 3D Model File

An MDL file is a model file used by Luigi's Mansion, a Nintendo GameCube game. It stores 3D model data for characters, including Luigi, and objects that appear in the game.

Luigi's Mansion mainly uses the MDL format for its models but also uses the .BMD model format for some models in the game.

NOTE: The mdl2obj tool can open Luigi's Mansion MDL files and convert them into .OBJ files.

Software's name License Platforms
mdl2obj mdl2obj Free Windows

Updated: March 28, 2015

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