Concept skectching and fabrication planning often go hand in hand. I find that lots of detailed perspective drawings of something can really iron out details that would be difficult to identify using other processes.
The halfway point between construction and paint.
Me with the finished product (the christmas tree is just a bonus)
gLike
Borderlands 2 Shotgun

This is a fullsized cosplay style recreation of a weapon from the hit game Boarderlands 2

Scott Slemons
Designer, Fabricator, Welder Chicago, IL