I cut them: from 1 1/2", 2", 2 1/2" squares and corresponding triangles, 3", 3 1/2", 4", 4 1/2", 5" and 6" squares.
Stored separately.
Sometimes, I just store as is in a large container for Carol Coski's Mile-a-Minute
I save selvage, torn with c. 1" of design showing - have a huge box full awaiting a pattern that appeals to me.