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I picked up this post by Jeff in South
Carolina
at www.lumberjocks.com
regarding clamping solutions for mitered joints. Mitered joints can be
difficult to get perfectly lined up when you are clamping them so I've
included several options below to solve this dilemma. Take your pick!
 This idea comes from Kevin Shoesmith, the
Online Editor, at Workbench :
Recently, I was building the Craftsman-style clock that was featured in the November 1999 issue of Workbench. The long edges on the front and sides of this clock are mitered. So, the trick was trying to clamp up the clock without having the tips of the miters slip out of alignment.
To prevent the pieces from sliding, I “clamped” the clock together with masking tape. (The tape also lets you adjust the fit of the miter joints.)
 Ethan (www.merganserwoodworks.com) , from Lumberjocks.com
added to the taping tips:
* Blue painter’s tape works well
* Lay all of the pieces out on your table saw, insides facing down, in the assembly order. Arrange them so that the bottom edge of each piece is sitting against your TS Fence, slide the pieces together so the miters are touching, and then tape them up. That’s an easy way to make sure all of the edges are even.
Paul Boutin from Kelowna, B.C.
offers this option :
One of my favorite projects is making small boxes using crown moldings. I usually cut the miters with a slight compound angle and had trouble aligning and holding the joint closed during glue-up until I developed the method shown here.
I use a 6" strap hinge as a clamping aid (as shown at left).
First, I align the joint and securely clamp the molding pieces to the strap hinge with C-Clamps and scrapwood clamp pads.
Next, I carefully open the joint and apply the glue.
Finally, I hold the joint closed by wrapping a strong rubber band around the C-clamps’ screws.
I use this method to glue opposite corners of the box together. Then I glue the two L-shape parts together with a band clamp. Once you have two firm joints, it’s much easier to use the sometimes finicky, but faster, band clamps.
 Fred, from Lumberjocks.com
suggested:
For cabinet work I use the following type of clamping jig:
I also made right angle clamping jigs
from 3/4” plywood in a variety of sizes that go on the inside of the box from back to front. For me, this works very well.
I tried using the tape method and it works especially well on miters for small boxes. Then I use a smaller clamping jig as well.
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- Fred Childs, Pasadena, CA
- - - Law of the Workshop: Any tool, when dropped, will roll to the least accessible corner.
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