How to create a gradually shrinking/growing pattern?

[WP275]

Hi there!

I just wanted to know how I could re-create this design (without the watermark, of course!):

I've recently started using fill patterns, but none of them seem to fit for this gradual shift from small-and-far to large-and-close.

[Semaphoric · Accepted solution]

In a Grayscale doc, make a Black to White gradient, and then Filter > Pixelate > Color Halftone, with Channel 1 set to 45 degrees.