Did a little more today. Roy here a pic of the RD shape. When the blank is 66 inches ttt the tips are 1 inch in front of back of handle.
Forwardhandle, I first flatten the bamboo full width on the jointer, then cut the width roughly to finished bow shape and taper it by hand on the bandsander. About 1/8 inch at center to 1/16 inch at tips.
Bubinga strip that will be cut in several 12-13 inch pieces for glued on handle