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Show HN: A freehand drawing guestbook for my portfolio
一个供访客手绘留言的互动白板，为作品集增添创意与温度，每个人都能自由涂鸦并留下签名。
I added a drawing guestbook to my personal portfolio as a way to let visitors leave a doodle. It uses perfect-freehand lib to generate pressure-sensit…