Before beginning today's topic, firstly i want to invite you to see a picture:

Do you love the above balls which are used by beads? Do you want to make them by yourself? Material beads normally include swarovski crystal and cheap glass beads which can reflect the light well for the ball.

Next i will show the detailed graphics step by step for you.

First step as following:

Second step:

Third step:

Done as the above, you will form a ball as you want. Don't believe me? Just have a try now~