.VTF File Extension
File Type 1Valve Texture File
What is a VTF file?
Texture file format used by Valve Corporation's Steam Source Engine; commonly used by video games.
Programs that open VTF files
File Type 23DESIGN CAD File
.VTF File Association 2
Three-dimensional design created with Vision Numeric 3DESIGN CAD, a real-time jewelry and graphic object creation program; includes 3D model, surface, and texture data; can be exported to a standard .STL file from within 3DESIGN CAD.
"VTF" stands for Vision Numeric / Three Design / File.