Step 15: Draw the tail around the initial guide line and have it come to a point.
Step 16 (optional): For a cleaner look, erase as much as you can of the initial guide lines. Don't worry about erasing all of them. It's okay to leave some behind. Re-draw any final lines that you accidentally erase.
Final Step (optional): Draw some shading to your 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. Shading also emphasizes the skeletal and muscular structure. Add a cast shadow underneath. this helps ground the T. rex so it doesn't appear to be floating.
You can add more value throughout your drawing for extra detail. No one knows exactly what a T. rex looked like, so you can give it spots or stripes. This dinosaur could've even had feathers! To get this classic-looking T. rex, draw squiggly lines and stripes all over. Don't overthink it. Just add them randomly.
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