Machining flawless raised panel-doors
Fend off frame errors
GOOF: Despite using a backer board, tear-out leaves chunks missing from the edge profile.
HOW TO AVOID: You?ll need to use a coping sled or shopmade jig to hold rails as you make the cut, but even with a backer block it?s not a guarantee against tear-out. One way to help prevent this is to always rout the coped ends of the rails before routing the stick profile on the edges. Otherwise, the gap between the profile and the backer negates the zero-clearance benefits of the backer board.
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