Material problems

Having found some LEDs wire and battery connectors the last item i needed was a piece of sheet metal. That proved harder than i first thought, couldn't find anywhere within walking distance that sold any. The last resort was to as a plumbing world, luckly for me they had some scrap metal out the back which they very kindly cut in to a more managable size. The only bad thing was that the section they gave me was a bit to thick, this would mean i would have to drill out the shapes because the metal cutters couldn't cut  into it very well.