Ingress Robot
Quick, rough sketch of an infiltration bot - titanium saw used to cut through metal barriers and obstacles. Saw is too small and perspective is a bit off for the head, but didn't have time to correct 
Pencil used on graph paper - uploaded to Picsart and filtered with B&W High Def effect.
Pencil used on graph paper - uploaded to Picsart and filtered with B&W High Def effect.0