Besides the obvious, perfect spheres that form the structure of a ball— whether a golf, tennis, or basketball— there are those objects which have shapes based on the sphere in one form or another. An egg, a nut, an apple, and an orange all have a modified sphere as their basic underlying form. Objects such as a bowl, a cup, and a tea kettle can be based on part of a sphere.
The departures from the geometric sphere may be quite radical at times, but all the objects on these two pages are based upon it. For example, in the football the sphere is tapered at both ends; in the coffeemaker there's one complete sphere and two-thirds of another.
When drawing any object that's structurally spherical, draw the complete sphere first; then add the required departures that your particular object demands. You should ask yourself the same questions concerning proportion that you asked when drawing other forms. How much does your object depart—flatten, bulge, or bend—from the geometric sphere you first drew as its basis?
Gather all the spherical objects you can find and draw them in any size you wish. But be advised to draw rather large, so you can swing your pencil freely.
As you draw, remember that a sphere occupies a given space; it is not a flat disk. Hold an apple or orange in your hand and feel its bulk. Try to convey this volume and weight in your drawing. In the demonstrations that follow, the artist indicated this three-dimensional feeling by using the ellipses on the apple and orange, and on the geometric spheres upon which they're based.
A sphere provides the basic form for both this egg and this nut. Remember that a sphere has three dimensions. The ellipses on the egg shape help to emphasize its depth.
Tea Cup
1. Some objects have only a part of a sphere in their structure. Even so, begin by drawing the complete sphere, as indicated by the broken line. Notice how the artist's ellipse here establishes the depth of the sphere, giving it volume.
2. Now proceed to add the modifications to the sphere that can turn it into a cup. Here, the artist omitted the broken line and worked only with the bottom half of the sphere.
2. Now proceed to add the modifications to the sphere that can turn it into a cup. Here, the artist omitted the broken line and worked only with the bottom half of the sphere.
1. With these fruits, as with any piece of fruit based on the sphere, first draw the complete, geometric sphere. Also draw in ellipses to help establish the third dimension of the sphere—depth.
2. Once the basic form is established then you can add the departures that make your particular fruit unique: its bulges, texture, and stem.
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