4. Details and Shading
Shade the roof of the lighthouse with crisscross lines. Add more diagonal lines for the glass at the top of the lighthouse. Detail the railing with thick black lines. Add shading to the windows. Texture the roof and shutter slats on the house with horizontal lines. Shade the rocks and water.
Your drawing is finished! Even if you don't get it right the first time, keep practicing until you're happy with your drawing.
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