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A sea urchin is shown using one connected line. These spiny creatures live on ocean floors, and the one line method helps focus on their round, symmetrical form.
Sea urchins are small marine animals found in oceans around the world. They often live on rocky seabeds and coral reefs. This drawing shows the sea urchin’s shape using one continuous line, creating a clean and simple look. The technique helps artists and nature lovers study its overall form without too many details. One line drawings are great for practice and fast visual sketches, especially when focusing on natural balance and structure. This style works well for ocean-themed art or nature study pages.