Reference of finished painting
Step one: first draw a circle.
Step 2: Draw two windows inside, draw a long highlight, and draw a small circle as a handle.
Step 3: Draw a small triangle and a circle on it, and draw a long shape on the left and right to make a propeller.
Step 4: To draw the tail fin, first draw a triangle and a circle, and also draw long strips up and down.
Step 5: Draw the support for the helicopter to land below, which looks like a combination of square and arc.
Step 6: Add some small arcs to the helicopters propeller attachment to express the feeling of movement.
Step 7: Finally, just paint the painted helicopter with a beautiful color.