A pencil, a jigsaw, a router can all work well to make a circle with a trammel arm jig. I used to dread making circles until I found out I could attach my wood router to a jig.

Mark curves onto the cutting board by tracing around a template made from 1/8-in. MDF. Rough-cut the shape with a band saw or jig saw, ... and a 3/4-in. core box router bit with a bearing ($40).

Step 14: Cut Curves to Size. Media Platforms Design Team. ... Using a router with a chamfer bit, follow the curved templates that are clamped to the tabletop to bevel the edges.

Despite the curves inherent in trees, ... I’m missing what’s so difficult with using a v-shaped router bit and, say, a router to cut the grooves then glue the grooves, wet the wood, and bend it.