You have chance to learn a blast soccer ball by this example, I is fully described to learn easily.
Ball picture: First take a soccer ball picture to give effect.
Selection: We have to divide this soccer ball in the pieces so make selection by the polygonal lasso tool (U key). After selection press Ctrl + J
Another Parts: Use same selection to make pieces,
Image Ready: In the image ready you have to adjust all the pieces layer, I have given here a one layer example. You have to make all the layer according to this position.
You animation window should look similar as here.
This is your animation.
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