How to do an easy layout.
First design your part in a cad program. Next you will need to buy full sheet Avery Peel Labels. I found mine at walmart for 6 dollars but here is a link to the product.
http://www.avery.com/us/Main?action=...oductcode=3383. Print One To One ratio. Next cut out and apply to whatever you need to cut out or drill. And here are acouple of photos to show all. Also they peel off easily on wood and leave no sticky stuff and come off easy on metal with wd40.