I've searched a lot but didn't find way to create strips like this.
I uploaded file with strip in it. please tell me how it created?
If you select the image inside the graphic frame and click on the stroke panel, you'll see it's a sequence of 3 pt strokes with a 10% black tint. Just create the strokes, select them all and then Object>Paths>Make Compound Path and rotate them -45°. Create your graphic frame. Cut the Compound Path and Paste Into the graphic frame.
thank. it works