delete holes from a sheet-metal part

i have this imported part , i had converted it into a sheet metal part ,
i need to delete the holes indicated in the attached picture
i had used the unfold feature and add a tab feature but when i refold the part it does not work
can some one help me ?
thank you

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1 Answer

This looks like a job for "delete face", which one of my favorite tricks for getting rid of unwanted holes, fillets, slivers and other junk. It doesn't ALWAYS work when it seems it should, but I think it will work for you. Make sure "delete and patch" option is selected.

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