7. Add the Final Touches
Trace the pencil lines you want to keep with a felt-tip pen. Erase any extra lines. Use a clean eraser to remove pencil lines. This helps avoid pencil smudges on the paper.
Once you've mastered steam engines, your engines will need some freight to haul. Continue to the next article, where you'll learn to draw boxcars to go with your steam engine.
See all How to Draw articles.