A cabinet that's out of square is like a house built on a foundation that's not level. Good luck getting doors to hang right! When you glue and clamp up a case, use a couple of “squaring blocks” to make sure the case has 90-degree corners. Clamp the blocks to the case before putting the final squeeze on the case's clamps. This type of squaring block is very easy to make. First, cut a piece of plywood about 8 in. square. (Make sure the inside corner is truly square by testing it with a…
Rockler Universal Fence Clamps with Clamp-It® Square
Yet another simple idea that I either never thought of or had forgotten (same end result) : pinner said: If you clamp them to a carpenters square you not only get a true 90 degree angle you leave your hands free to drill the screw into place.
IRWIN Tools QUICK-GRIP Right Angle Clamp Composite plastic body and steel screws Right angle clamp designed to hold material up to 3 inches thick at 90 degrees Holds up to 200 pounds of pressure Ideal for holding larger corner items and crown molding
Corner Clamp - DIY
I made a corner clamp out of a couple of squares, some epoxy and a few screws. The idea here was to have something that I can use to clamp 90 degree angles with. I...
Equerres d’assemblage 90° maison / Homemade 90° Assembly Brackets