Step 20 (optional): 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 that you may have accidentally erased.

Final Step: Add some shading to your drawing to give it more dimension and volume. The indentations created by the skull are deep, so add a dark value in the circles on the Indominus rex's head. Pick the direction of the light source when shading so that the shadows are consistent with it. Add the value lightly at first, then gradually build up to the level of darkness that you want. Vary the pressure on your pencil to get a different degrees of tonal value. Continue adding the value throughout the body to indicate the shadows.

Draw a cast shadow underneath. This helps ground the dinosaur so it doesn't appear to be floating.

You can add even more value throughout your drawing for extra detail. Don't worry about shading too smoothly. The rough value gives the skin a rough and bumpy texture. Continue adding the rough value until the entire body is covered. Shading can be time-consuming, so be patient and take breaks. Remember to pause the "How to Draw an Indominus rex Dinosaur" video after each step to draw at your own pace.

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