Engineers use all kinds of tools for designing. The design process is complex and so are the design tools – they are complex and costly too.
This becomes a key obstacle when it comes to sharing the design. Need to share the design tool to share the design itself just doesn’t work.
Most of the modern tools solve this problem by allowing their users to export the design for publishing and sharing.
The most common publishing formats that are popular for 3D data are
3D PDF (.pdf), WebGL (.html), OBJ (.obj).