Anybody who know how to make hole of outer housing?

Anybody who know how to make hole of outer housing?
Anybody who know how to make hole of outer housing?

ANSWERS:

I’m sure they are using a hydraulic punch. The tube is placed on an anvil which has holes located at the different locations, the center is hollow to allow the punched pieces to fall into a scrap bin. The punch either runs a few lines or it could do all of the holes at once. Think how a paper punch works just a more powerful press.
"Here is a teardown of the amazon echo. Maybe it will help you with what you are trying to do.

Amazon Echo Teardown"