How do i create a series of sheet metal tabs from a sketch/pattern/table?

I have a long sheet metal piece that needs a 3" wide tab every 18" down the length. Normally I would make one and do this as a sketch driven pattern, but I can't seem to replicate the sheet metal tabs this way.There will end up being roughly 30 tabs so I don't want to create them manually. None of the pattern options seem to work with the sheet metal edge flange.

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