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8 File Associations

.MDL File Extension

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File Type
This file is saved in a plain text format.
Therefore, you can view the contents of the file in a text editor.
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Warcraft 3 3D Model Text File
DeveloperBlizzard Entertainment
Popularity
4.6 (10 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
Category3D Image Files
File Format Description

Model file used by Warcraft III, a real-time strategy game developed by Blizzard Entertainment; stores a 3D model, including objects, meshes, and textures for buildings and units; allows 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.

Program(s) that open .MDL files
Updated 10/27/2010

Generic Icon
File Type
This file is saved in a plain text format.
Therefore, you can view the contents of the file in a text editor.
[x] Close  
MathWorks Simulink Model
DeveloperMathWorks
Popularity
4.2 (9 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryData Files
File Format Description

Simulation model created with Simulink, a simulation and model-based design application; contains 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.

NOTE: The MDL format was replaced by the .SLX model format with the release of Simulink 2012.

Program(s) that open .MDL files
Updated 2/1/2013

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File TypeHalf-Life Model File
DeveloperValve
Popularity
4.0 (4 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryGame Files
File Format Description

Three-dimensional model used for characters and creatures in the Half-Life video game; created using polygons and texture mapping for detail; 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.

Program(s) that open .MDL files
Updated 4/28/2011

DigiTrakker Module Icon
File TypeDigiTrakker Module
DeveloperN/A
Popularity
3.5 (2 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryAudio Files
File Format Description

Audio tracking module format used by the DigiTrakker music tracking program.

Program(s) that open .MDL files
Microsoft Windows Logo
Windows
Icon Prodatron DigiTrakker or n-Play
MODPlug Player Icon MODPlug Player
Mac OS X Logo
Mac OS
CocoModX Icon CocoModX
Updated 2006

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File TypeFlight Simulator Airplane Model
DeveloperN/A
Popularity
3.3 (3 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryMisc Files
File Format Description

Three-dimensional model of an airplane or other aircraft used by Microsoft Flight Simulator; standard model format used by multiple versions of the Flight Simulator series.

Program(s) that open .MDL files
Microsoft Windows Logo
Windows
Microsoft Flight Simulator Icon Microsoft Flight Simulator X Gold EditionExternal Link
Icon Microsoft Combat Flight Simulator
Icon The MDL Converter Tool
Updated 12/20/2006

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File TypeRational Rose Model File
DeveloperN/A
Popularity
3.3 (3 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryData Files
File Format Description

Diagram or model created by Rational Rose software; used for modeling software architecture and design, and creating business models that improve predictability and productivity.

Program(s) that open .MDL files
Updated 12/20/2006

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File TypeLectra Modaris Clothing Design File
DeveloperLectra
Popularity
2.0 (3 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryCAD Files
File Format Description

CAD file created by Lectra Modaris, a clothing design application; saves the "cutter's must" list (or direction card) as well as the geometry for the pieces of the garment; 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.

Program(s) that open .MDL files
Updated 7/13/2011

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File TypeLuigi's Mansion 3D Model File
DeveloperNintendo
Popularity
1.0 (1 Vote) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryGame Files
File Format Description

Model file used by Luigi's Mansion, a Nintendo GameCube game; 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.

Program(s) that open .MDL files
Microsoft Windows Logo
Windows
Icon mdl2objExternal Link
Updated 10/29/2014