- Extension
- .mdl
- .stl
- Format
- Binary
- Category
- 3D
- 3D
- Developer
- Microsoft
- 3D Systems
- Description
- A compiled 3D model for Microsoft Flight Simulator X and Lockheed Martin Prepar3D (RIFF form MDLX), the format aircraft, vehicles and scenery objects are shipped in. It holds the meshes for each level of detail, their materials and texture names, and the part hierarchy used for animation.
- Stl is the standard 3D data transmission file format mainly used for 3D printing. STL contains surface geometry descriptions of 3D objects and it uses a series of triangles to describe the surface geometry of a 3D model.
- MIME Type
- application/octet-stream
- application/vnd.ms-pki.stl
