弦楽器製作 2024-6-05 5:42 Thickness contours in 0.5mm increments. 2024年6月5日 yokota Top arch height 32.0mm ( thickness contours in 0.5mm increments. ) That’s the plan. “Finished target weight : 390g + Bass bar : 38g” Current weight of top plate: 469g 2024-6-05 05:42 JIYUGAOKA VIOLIN