I have a friend working on an I Spy quilt - a group of people had gone together and joined resources to split the bounty so all had a good selection of prints. She purchased the fabric for the sashing and corner stones and since it was dark blue and red, she prewashed it to prevent future bleeding........none of the prints used for the swap have been prewashed - what should she do? Will the quilt shrink unevenly and cause problems with viewing the image in the I Spy squares? What should she do? How big would you cut the initial square if she just wants to wash "her" squares out of the fabrics?

I know I'm rambling but I've been bragging all of you up on how much I can learn from this board so I'm hoping to recruit her with sharing your wisdom on this.

Thanks in advance for all your help!!