Why do you want to use templates? I use them when I'm hand piecing, not so much for machine piecing. Most shapes can be rotary cut. anyway here are a couple of places to buy premade, and very accurate templates:
http://www.ardcotemplates.com/
http://www.emeraldcityfabrics.com/se...the-631/Detail these are the Marti Michell templates
OR you could use INKLINGO to print your shapes on fabric.
http://lindafranz.com/
I love INKLINGO!!