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You can also use the reflection to mark layout lines on
your work by employing the untoothed spine of your saw.
Use the reflection to get your saw square and plumb,
then draw your pencil along the spine of the saw.
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Here's the advanced form of the trick: You can
use the reflection to saw accurate miters. When your
saw is exactly 45° to your true edge, the reflection
will be a perfect 90° to your board's true edge.
And, similar to a straight line, a perfect 90°
angle is easy for our eye to pick out. |
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Use the reflection when cutting
dovetails: If the reflection remains the same during
the cut, your saw is cutting true. |
This trick can be employed using tools other than just
saws. When cutting inlay banding, you can use
the reflection in the unbeveled face of the chisel to
cut a perfect 90° or 45° angle. When installing
inlay banding around a drawer front, for example,
put the banding in position and place one corner of the
chisel on the corner of the recess for the banding.
Maneuver the chisel so you are at 45° and press down
to cut the banding. This strategy can make your work
faster and more accurate by reducing measuring and the
endless cycle of cut, check and re-cut.
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Our eyes pick out a 90° angle,
which is useful when cutting miters with saws or chisels. |
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