MY PROCESS
I add two 3/4" basswood strips side by side, to one corner of the support. I do this on both sides of the corner, the upper right and lower left corners which will increase the size of my support by 1/4" in each direction.
I add two 3/4" basswood strips side by side, to one corner of the support. I do this on both sides of the corner, the upper right and lower left corners which will increase the size of my support by 1/4" in each direction.