The layout is the most important step. It insures correct size, shape and placement of a drawing. It can be abbreviated as your abilities develop, but it cannot be eliminated. It precludes the possibility of getting to the edge and finding one's subject needs another half sheet of paper. The design and finishing steps are done on the same page as the layout. Each step will correct and improve upon the preceding.
We use a drafting pencil to hold the lead. Sharpen your lead to a long tapering conical point. Hold the pencil between your index and middle fingers. Draw swinging from the shoulder with your wrist and elbow locked. This will give you graceful lines. The other steps will use different techniques.
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Layout pencil position

Think in terms of masses-lights and darks, or positive and negative shapes rather than details or contours. The skin tone will be lighter, regardless of race, than folds, wrinkles and features, which appear darker. You can make many lines, and select the most correct one later. Draw just using the weight of the pencil, in light grey. Pencil lead is made from graphite, a lubricant. It is important not to have dark areas in the wrong place, where they may be difficult to correct later. We don't want to load the paper until we're ready for those rich darks of the finish.
1. This drawing process is really very simple. We will decide how the image will fit on the paper, then divide the image in half and draw what we see there. Next we will divide each half in half, and draw what we find there, and continue to subdivide until we have drawn everything that crosses the imaginary vertical line. Make a mark on the paper where you want the top of your subject (the top of their head). Do the same for the bottom (the tip of the beard in this picture). Draw in light grey, using just the weight of the pencil. You should just barely be able to see the marks.



Top
Midpoint
Bottom

8. You now have two axes to work from- a vertical, and a horizontal. Work from the apex of the lines to the outside of the subject. Continue from area to area, using imaginary horizontal and vertical lines to line up information correctly.
9. Develop the whole drawing. Use a few lines to indicate the placement, size and shape of a fold, edge, or shadow. Do not stop and niggle over any detail. Bring the entire drawing to completion at one time. The layout is the most difficult step. Anyone can finish a drawing, but not everyone can place items accurately. The layout places components in their proper relationship. Further steps refine the drawing. Once you have mastered this procedure, technique will no longer be a stumbling block, and you can begin to express yourself.
Here are a couple examples of completed layouts. I've darkened the first to make it easier to see. The second has the correct values.
