It is actually a great pattern, especially if you can follow directions.
There is this 4 inch square printed on the paper to help you calibrate your printer. On my printer, it was a little off. I guessed that it was still one-size. Here is the result:
Then she measured the 4 inch square by placing her ruler on the screen. It measured 4.5 inches. If I had not been grouchy, I would have laughed out loud.
I printed it anyway.
The stars aligned and the printed version was only off by about 1/16 inch. Here is the result: