I have the pattern and here are the fabric requirements:
2 1/2 wide strips: 22 strips for crib size; 39 strips for lap size;
100 strips for full size.
Binding: 1/2yd for crib size; 2/3yd for lap size; 3/4 yd for full size.
Backing: 1 3/4 for crib size; 3 1/3 for lap size; 5 1/3 for full size.
Hope that helps.