14 Replies to “How To Clamp Miters”

  1. These can also clamp pieces being glued together to make an arch. With the ends cut at 22.5 degrees, three pieces doweled and assembled make a 90-degree turn, just like a picture frame. This type clamp is perfect to squeeze the parts together while the glue dries. The fourth part glues and clamps the same way. Thanks for a great idea.

  2. Cheers on this, I got half of that myself attaching the angles to other bits and clamping them to the frame was the bit I had not thought of.

  3. Thank you so much for all your insight into woodworking; I've been woodworking for 50 years and I still learn from the pros like you.

  4. I want to add a little sandpaper to the back side of the dogs to increase grip. I was thinking 120 grit, but am not sure what kind of glue to use. Contact cement seems like a good choice. Anyone have any thoughts on this?

  5. Made some of these for box clamping. Makes things a lot easier and improves joint quality. I used them to clamp some 6" wide miter joints with Dominos added for strength. Worked really well – thanks John.

  6. I found that the dogs must be spaced so that the clamping force is through the center of the joint, otherwise the whole setup just falls apart!

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