Jelly Rolls are 2 1/2 inches wide. With the standard 1/4 inch seam, You'd be left with 2 inches showing. If you want to do the same finished width but use 1 inch seams, I believe that you need 2+1+1=4 inch strips, not 4 1/2.
Last edited by IQ2; 05-29-2014 at 03:43 PM.