3 ms·Evolution of the sound hole(F-hole) in violins2 points by anacleto 12y agogus_massa 12y agoDiscussion of the article with the image: https://news.ycombinator.com/item?id=9104109 https://news.ycombinator.com/item?id=9104109 (65 points, 1 day ago, 22 comments)