Asking for help in locating wooden blocks, the type that were used to mount old fashioned round lighting switches. I know how to fit them, and the switches that go with them, just having difficulty in locating a supply of the blocks, they were about 3 inches square, with an OG type finish to the sides, does anyone, or has anyone any idea as to where I can get about 4 of them, may be a case of getting a woodworker to make them from scratch, grateful for any help.