PS How to draw a rectangular dotted box
Draw a rectangular, square, polygon dotted line
First create a new blank file (Ctrl + N), and select a rectangle, and so on. The following figure:
(Figure I)
Then draw a rectangular selection box above the blank document.
(Figure II)
Select the Brush tool and press F5 to bring up the brush debug box, as shown below:
(Figure III)
For its spacing and size to set, you can according to their own needs, your dash has how long, size can be set to how large, for example, I draw the length of the dotted line is 5px, I set the size is 5px, as shown above (figure three).
Select the Brush tool, hold down the SHIFT key, and then tap the four endpoints of the dotted box, as shown below:
(Figure IV)
Then select--> to modify the selection--> contraction, select (1px), the height of your dotted box, 2px is the dotted height is 2px.