Collada

Collada (COLLAborative Design Activity) is an interchange format for interactive 3D applications. Originally developed by Sony Computer Industry, now it is managed by the Khronos Group, a member-funded industry consortium, which now shares the copyright with Sony, Recently Collada has been well adopted by ISO as a publicly available specification, ISO/PAS 17506.

It is an XML-based schema that allows data exchange among 3D Digital Content Creation tools, such as SketchUp, Maya, 3ds Max, and Rhino. COLLADA files have the *.dae file extension, which stands for digital asset exchange.

Read more

Creo

A PRT file is a part file created by PTC Creo Parametric, a CAD program part of the Creo suite that is used to design manufactured parts and assembly processes. It contains part information, including a 3D model and part structure. PRT files can be combined with other parts into an assembly file (.ASM file).

Read more