Step one:
First draw an oval.
Step 2:
Draw a small rectangle on top.
Step 3:
Then draw two more arcs on both sides as the structure on the mangosteen.
Step 4:
Draw an arc at the back, and then draw a round fruit underneath.
Step 5:
Beside it, you can also draw a mangosteen using the same method.
Step 6:
Finally, apply a nice color, and the mangosteen is finished.