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2. Switch to Top view (from the main menu, choose Camera / Standard Views / Top). You should see the word “Top” at the top left corner.

3. Activate the Line tool and draw a short horizontal line. Press Esc when finished, so you won’t continue drawing more lines.

4. Each step of this project involves making rotated copies of everything created so far. For now, this means copying just a single line. Activate the Select tool and click the line you just drew, to select it.

5. Activate the Rotate tool, and click the endpoint on the right side of the line, to place the protractor there.

6. Move the cursor directly to the left (along the red axis) and click again. This establishes the zero angle of rotation.