Now I need to cut notches in the frame to hold the struts. I marked a line down the center of all three rails on the center piece. The only piece that gets notches will be the piece for the center (inside). The front and the back piece do not get any notches.
The struts should be no more than 6 inches apart nor closer than 2 inches. I chose to align 5 struts along each of the rails. I marked the notches to match the thickness of the struts and cut the notches out. Here you see what will be the bottom rail.
