Cutting metal shapes

[magicniner]

Thanks
so how on earth do people cut stuff like this from thin 1000 series aluminium

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If I had to produce large quantities of those I'd CNC press tooling for my Fly Press. It's a substantial initial investment in time, tool steel and heat treatment but the payoff is making a part in less than a second with a short pull on the press handle.
If you were really posh you could also have press tooling trim off the waste from the previous part, along with a back guide and an end stop the work would then be self-aligning in the press ;-)
Regards,
Nick