说明:这个脚本可以设置棋盘格为任意数量和任意尺寸.只需要改下脚本参数即可.脚本中有注释.
//Create variables for the 650x400 pixel board divided in even 50 x 50 squares (0.5mmx0.5mm)
var docWidth = 650
var docHeight =400
var cells = 80
var cellSize = docHeight / cells
// create a new document
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