I don’t usually post Quilling patterns for sale- I prefer to stick to free downloads- but I just have to make an exception in this case. The site is located in Vietnam- and looks like you can only buy the completed products- and even then at wholesale level for a minimum of $4,000. Still, lots of good ideas can be gleaned from the site.
To see them all: http://www.netasie-vn.com/netasie-vn/wholesale/en/anniversary.asp?occasion=Alphabet
The site has a series of Quilling Alphabet Patterns – and they are just beautiful.
Here is an Example: