Cut perfect flutes
Make quick work of routing flutes by installing a round-nose or core-box bit in your trim router. When you don’t have a detachable edge guide (standard on some small routers, optional for others), these routers’ small bases allow you to set a straightedge close to the cutting area. Those with square subbases follow that straightedge perfectly, as shown, to cut the flutes with no worries.
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