Build List: A directory of on-demand manufacturers for your creative projects
<a href="https://www.onlinemetals.com/" rel="nofollow">https://www.onlinemetals.com/</a> will let you order custom cut metal supplies. I ordered from them years ago. It was the <i>only</i> source I could find at the time for being able to get just a small quantity of sheet copper. Everyplace else was like "Sure, we will sell you scads of copper sheet for scads of money. Bulk orders only."