Dentil Molding, Box & Knuckle Joints

What do dentil molding and box and knuckle joints have in common? If you look at the opening photo, you’ll get a hint. What do you see?

I’ll tell you what I see. I see a woodworking jig that is super easy to make in the shop, and is extremely accurate when properly constructed. And better yet, this jig is multi-purpose in so far as it is used to produce each of the items mentioned in the post’s title.

I first came to use this jig to make dentil molding such as found on the top section of my Step-back cupboard from “Fine Furniture for a Lifetime.” It’s the toothy-looking design just under the cove molding of the crown. Get it? Toothy. Dentil. Yep, that’s from where the name came.

Dentil molding is a great addition to many crown designs because it puts a punch in the design, and the cost to make the jig and molding are way low.

Some of you see a jig setup to make box joints. That’s another use for this jig. I used this technique to join the corners of a box built to hold and organize my extra hardware in an article for Popular Woodworking Magazine back in June 2014 titled, “Hardware Hideaway.

Jig Use #3

Three short years later while working on a Pembroke table for an upcoming Hands-on class (and eventually an Online Course), I had a smack-your-forehead moment and decided that the jig could be used to make the knuckle joint on the fly rail of drop-leaf tables. It worked like a dream.

Take a look at the short video below. And if you have another use for this jig design, please drop in a comment.

— Glen D. Huey

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