This piece shows pattern and texture because of the way the metal is weaved together. The metal also creates a pattern from light to dark in the weave, giving the piece visual appeal. The surface of this is most likely smooth as well.
Cirin RC Car - A printed remote control car with a 30 mph top speed and a 500 ft range; powered by a 16 ft long rubber band (wound by a power drill) that disperses energy to a carbon fiber driveshaft. Hell on wheels with a carbon conscious footprint.