Chapter Three BASIC FORMS Once you have established a gesture, you will want to begin to define it dimensionally. By going through the drawing a second time, you can use spheres, boxes and cylinders to establish how the figure is positioned spatially. While a gesture gives you a feeling for a pose, it's the basic forms that begin to make the figure seem like it has mass. Though the body isn't made up of spheres or boxes or cylinders, these will later help you to sculpt out muscles, bone and flesh from the flat page. They also serve as a surface on which to hang details such as the nipples, the bellybutton, scars or tattoos. Ultimately, you need to develop a model of a figure in your mind that you can draw from any angle, in any pose and to any level of detail without having an actual person in front of you. Once you achieve this, drawing is just a matter of altering shapes to conform to your specific subject.