Here are a few vector dotted patterns and a half tone pattern for you to use for your personal work. If you want to use commercially I just ask that you make a small donation to paypal and show me what you made! Dots and Halftone Pattern 圆点 半色调 模式 这里有几个矢量虚线图案和半色调图案,您可以用您个人的工作。如果您想要使用商业上我只问你使小小的捐赠到 paypal 和给我看看世界卫生大会