Realistic render with an effective communication of materials and surface texture.
Industrial design sketches by Mike Serafin
Backpack Sketches by Daniel Valsesia at Coroflot.com
furniture by Michael DiTullo at Coroflot.com
Design Sketches | HakanGursu
sketch a day 277 webcam
--dense use of black line with orange to create texture
Hand Sketches by James M. Paulius at Coroflot.com