In message om, Dave
Liquorice writes
Is there a web page or a good way to calculate it out?

Try this, posted here in the past, did you try google?

http://www.mrsecurity.com/other/woodcut.cgi

I couldn't access that site but found this:

http://www.atlastelecom.ro/~panecutter/

but the full version is $50 (

--
dave @ stejonda

"To materialist eyes, India is a developing country;
to spiritual eyes, the United States is a developing country."
Ram Dass