How to make a violin 2 F-hloes

After making the top panel and back panel, it is necessary to make F-holes and bass bar on the top. The main function of the F hole is pronunciation, and the second function is aesthetics. Learn more about the F hole. The bass bar is on the back of the top, so after installing the top, the bass bar is inside the violin, and the role of the bass bar is to transmit sound and reinforce the top.
PS: Every part of the violin is beautiful, especially the f-hole and the bass bar, which have beautiful arcs!