Can someone explain the difference and when I would use on the line, inside or outside of shape cut? Testing the cuts out it appears outside added alittle length onto my shape. So I’m guessing inside would reduce. Would on the line keep my measurements the same? Cutting a speaker box and trying to get it perfect.
if you make a circle that’s 5" in diameter and use a 1/4" bit
on the line will leave you with a circle that is 4 3/4" diameter and a hole that
is 5 1/4" diameter
inside the line will leave you with a circle that is 4 1/2" diameter and a hole
that is 5" diameter
outside the line will leave you with a circle that is 5" diameter and a hole
that is 5 1/2" diameter
you have a line that is a circle that is 5" diameter, but the bit has width, so
do you want the center of the bit to cut on the line (and 1/2 the bit diameter
on each side of it), inside the line (all the bit diameter of material removed
inside, leaving your line the outside edge of the hole), or outside the line
(all the bit diameter of the material removed outside the line)
‘on the line’ is almost never what you want if you are cutting through
something, but it is commonly what you want if you are engraving.
David Lang
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