Originally Posted by QBeth
All of the above answers with one addtional thought. Some patterns demand such high accuracy, and usually specify a scant 1/4", that it's best to follow their instructions. Other patterns, it's not all that critical.
I know about the scant 1/4", but what I'd like to know is why didn't they make the original pattern keeping the plain old regular 1/4" in mind when designing the block. Seems it would have been easier...atleast for me! ;)