Reference of finished painting
Step one: first draw a circle.
Step 2: Draw several decorative lines with wavy lines in the middle.
Step 3: Use arcs to draw a little structure.
Step 4: Then draw two diagonal lines below and connect them with a rectangle.
Step 5: Add two more diagonal lines in the middle and a semicircle under the rectangle.
Step 6: Finally, apply a nice color and the hot air balloon is finished.