Good point; although really that's up to them. Even looking at the wires in these few pages shows some big differences. If you don't at least try you can't expect anything. Did the bolt. I tried both 18 and 24 sides; I felt that 24 worked better for getting the curvature on the bolt head. wires
My drawing class has 24 people in it. I went from spot 24 to spot 2 in 3 weeks. I also draw like 2-8 hours a day. I draw so much, I stopped doing any 3D work. =\ If you want something bad enough, you'll work for it.