There are two critical items for good picture frames. One is the angle
cut itself which is discussed in the other post. The other and equally
important is the length of the sides. You can have a most precise
angle cut but if the opposite side are not precisely equal you will get
I cut the miter on the sides so they are about a quarter inch longer
than I need for the picture. I them match the opposite sides and fasten
them together with an inconspicuous nail or a good clamp.
I the carefully trim the paired side by an eight of an inch on each end.
Even with the above procedure if the piece slide during the final miter
cuts, they will not be true and again bad corners.
Check with your local Frame Shop, find out if they have a chopper, and have
them miter them on the chopper. (not to be confused with a miter saw) these
use knives instead of rotating blades, a much nicer edge, particularly on
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