It's easier to recut than to lay out a pattern and checker from scratch. This guy is great and I've sent him a bunch of work. He's not that expensive and turnaround is good.
http://www.casecustomgunstocks.com/Sometimes it's easier to get it done than try to learn.
If you want to learn, get books on the subject and good tools. I like the carbide tools that Brownells sells. They're not cheap, but work well.
DF
And as of late, they are usually out of stock.