Crash course in boat sketch
1, first draw a circular outline of the swimming ring, and then add lines to the swimming ring.
2. Then, after drawing the outline of the long side of the ship, draw the bottom line of the ship.
3. Then draw the outline of the cabin on the ship, and then draw the outline of the cabin on the second floor.
4. After drawing four windows on the outer wall of the cabin on the first floor, draw a window on the cabin on the second floor.
5. After the bottom side of the hull is painted with red bow, the outer wall of the cabin and the edge of the boat are painted with a layer of light gray.
6. Finally, paint the window blue, and paint the swimming ring with a yellow-green interval pattern to draw a boat.