Wavefront OBJ

File Format
Name	Wavefront OBJ
Ontology	Electronic File Formats 3D and CAD/CAM Models Wavefront OBJ
Extension(s)	.obj, .mod
PRONOM	fmt/1210

Wavefront OBJ (OBJ) is a 3D modeling format associated with Wavefront's Advanced Visualizer software.

.obj files are plain text. There is also a binary formulation of the format, with extension .mod.

OBJ files may reference external "material" (.mtl) files.

Specifications

• OBJ_SPEC.PS
• OBJ_SPEC.TXT
• http://www.martinreddy.net/gfx/3d/OBJ.spec

Sample files

• http://people.sc.fsu.edu/~jburkardt/data/obj/obj.html
• Many 3D models are in Smithsonian set, in this and other formats

Links

• Wavefront OBJ File Format Summary, from the Encyclopedia of Graphics File Formats
• Wikipedia: Wavefront .obj file
• Wikipedia: The Advanced Visualizer