"Dave" wrote in message ...

On Thu, 29 Mar 2012 16:13:00 +0000 (UTC), Larry Blanchard
The books I read suggested rounding the back of the blade with a stone
to make it easier to cut curves.

Not only that, it often reduces the drift.

Is this something that is already done for you on quality blades or is
it something that should be done by every band saw owner?
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Have to do it yourself. I use Starrett and DoAll blades. Both have square
backs.