Altium Designer 快速修改板子形状为Keep-out layer大小 Altium Designer 快速修改板子形状为Keep-out layer大小 1,切换到 Keep-out layer层, 2,选择层,快捷键为S+Y; 3,设计>>板子形状>>按照选择对象定义,快捷键为D+S+D;