I am a Draftsman 2D & 3D artist using Sketcup with Vray render, also Autocad 2D and 3D any version,
in all field (Mechanical , Structural, architectural, Plumbing and Electrical.
see some of my 3D models in 3Dwarehouse just search ARTMAN.
I am using sketchup, Autocad, Photoshop, Illustrator.