Tattoo Gallery
 
Bio-mechanical Calf Swirl

Drawn on with sharpie marker, then tattooed.  This took just under 4 hours.  This is the beginning piece of a full sock and knee cover up.

This is my second favorite style to tattoo, black and gray bio-mechanical has always looked really cool to me.  As a teenager I was (and still am) in Awe of H.R. Geiger.  Though this looks nothing like his art, he is the Godfather of this style in general.