1. You should have a QR code generator on your cell phone. Enter the desired text in the QR code generator and click Generate.

2, first count the generated QR code horizontal and vertical is a few lines. Here a *** is 25 lines, the size is arbitrary, you can use 2mm a small square, ***5cm long.

3, drawn in the appropriate location, in order to facilitate the drawing of lines, 2mm draw a horizontal, four sides are drawn. This will make it easier to connect the lines without bending too much.

4, use a pencil to connect the two sides of the line. General two-dimensional code three corners, square sides are seven grids. If you are afraid of the wrong number of grids, the small square inside the square takes up three grids *** nine grids, line by line, the number is right and then drop the pen.

5, do not rest assured that you can first use a pencil to black the place to draw a diagonal line, will be drawn with a pencil to erase the grid, go to sweep to see if it can be swept out, available WeChat sweep.