What is .U3D file extension?
.U3D file extension is a known file type. This section tells you everything you need to know about this extension.
3D CAD file saved in the Universal 3D File Format; standardized by Ecma International as the ECMA-363 standard; contains 3D model information, including shapes, textures, lighting, shading, and motion data; supported by many CAD and 3D graphics programs.
The first edition of the Universal 3D File Format was standardized in December, 2004. The second version, August, 2005. The third edition, June, 2006. And the fourth edition, June 2007.
You can see a list of software programs below that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.