Step 20: Use the remaining lines and shapes as guides to draw the rest of the Jack Russell terrier's body. Use quick, short strokes along the outer edges of the initial guides. Use slightly longer strokes along the bottom for the furry underside. You can also make the strokes longer if you want the fur to be shaggier. Use quick, short strokes around the line on the top, left to create the shape of the dog's tail.
Step 21: For a cleaner look, erase as much as you can of the initial guide lines. Don't worry about erasing all of the guides. It's okay to leave some behind. Re-draw any final sketch lines you may have accidentally erased.
Final Step: Add some shading to your Jack Russell terrier drawing to give it more dimension and volume. Pick the direction of the light source when shading so that the shadows are consistent with it. Vary the pressure on your pencil to get different degrees of tonal value. Add the value lightly at first, then gradually build up to the level of darkness that you want.
Add a cast shadow underneath. This helps ground the dog so it doesn't appear to be floating.
You can add even more value throughout your Jack Russell terrier drawing for extra detail. Make the nose darker and add two dark patches around the eyes. You can also skip this step entirely for an all-white Jack Russell terrier. The dark value around the eyes should spill over and cover the ears as well. Leave a narrow strip across the forehead blank.
This dog breed can have a variety of patterns on its coat, so add some dark patches on the body. As you shade the body, use strokes that go in the general direction of the fur. Separate each individual stroke a bit so that the white of the paper comes through and creates a furrier texture.
Shading can be time-consuming, so be patient and take breaks. It's also a good idea to use reference as you draw. If you have a pet Jack Russell terrier or a similar dog breed, try to duplicate its coat on your drawing. Don't forget to pause the video after each step to draw at your own pace.
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