The mounting hole is best cut with a 2 3/8" fostner bit but you can cut it with your scroll saw if you don't have the bit. If you hand cut the mounting hole be careful not to oversize the hole. You want the clock insert to fit snugly. Under cut the hole and sand to fit.
Click now and make a family heirloom this weekend.
DVD and the 2013 update DVD at this link. DVD #1 is $20 and contains over 1,100 patterns. The 2013 update DVD is $7.50 and has another 178 patterns. The 2014 update DVD is $7.50 and has another 223 patterns.