I have a question I am a new quilter and I have a question and I know it may sound silly but why do you cut some squares at 2 1/2 and some at 2 inches won't there be a problem when sewn together I know there is a 1/4 seam but still one will be smaller than the other I am sitting here today trying to make just one block and I am having trouble thanks so much I want to make this so bad can we make all the squares all the same size and make them about 3 1/2 inches thanks