did you mention that you only have 4 fabrics that coordinate? and the pattern needs 16 DIFFERENT fabrics? IMHO is will be very hard to get the same pattern look with only 4 fabrics instead of 16. Test the pattern by making 1 block with the fabric and see how you like it. Or maybe you can just use the 4 fabrics in a different pattern. There is no need to cut you fabric into fat quarters- just cut the pieces according to the pattern from the yardage. If you really like this pattern then maybe you can just buy a few fat quarters to add to the mix. Or think outside the box by adding other fabrics from you stash that fit in but may not be "coordinated" .