How to create a perforated sheet metal

could be that you want to use rectangular patern. by creating one hole and copying it over the surface of the sheet. i actually never use sheet metal parts but here it goes.

  1. Step 1:

    create sheet and punch one hole in a corner and press rectangular.

  2. Step 2:

    as feature select your hole. direction 1 the long side of the sheet
    direction 2 the other side. fill in the required amount of holes per side and spacing and voila done

  3. Step 3:

    end result