Aoao posted about the "fun magnifying glass effect" some time ago. After reading it today, I found that there is a simple way to achieve it, that is, using internal and external patch adjustments.
Those who are interested can think about it.
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I believe it is estimated Many beginners do not understand the margin in this example. If you do not understand it or understand it thoroughly, please look at the picture below. If you are familiar with it, please skip it. Hehe!