05. When the outline is complete, select it, change the fill to black (no stroke) and hit the Merge icon in the Pathfinder window to knock out the holes. Change it back to a black outline with a six-point stroke and click the Align Stroke to Outside icon in the Stroke window.
06. Next, grab the Pen tool, set it to a three-point stroke and draw in all the basic line work except the snakeskin pattern areas. Try to make your lines as smooth and clean as possible.
07. For the skin patterns, create a new layer and outline the larger shapes with a 10-point stroke. Then outline the smaller shapes with a sevenpoint stroke. Select all the pattern shapes and click the Align Stroke to Outside icon in the Stroke panel.