What is the ideal print size of a QR Code?
什么是QR码的理想的打印尺寸？
The ideal print size of a QR Code is related to the scanning distance. To know the ideal size, use the following simple formula:
Size of your QR Code = Distance between the QR Code and the Scanner ÷ 10
Example : 33cm square to read it at 3m away
QR码的理想的打印尺寸与扫描距离。要知道理想的尺寸，使用下面简单的公式：
你的QR码=距离的QR码和扫描仪÷10之间的尺寸
例如：33厘米广场为3M读它扔掉