Before I take the wood to the band saw I start by making rough cuts with a circular saw. First I used my fine-tooth blade to cut a piece for the box back out of 3/8 inch plywood. This is my daughter helping me.
Next I rough cut my arch and pillar pieces. One 4ft by 4ft piece of plywood is enough to make two of these. My husband is watching from the other side to make sure I stop the cut in the right spot.
Once the pieces are rough cut, I can take them to the band saw and do the precision work.
Believe it or not, here's all the wood, rough cut, that I need to make a harp: