does this mean to do on a copier? I get stuck when I see a pattern that is made for a twin or full bed and I want to make it for a king size bed. I don't really know where to begin to figure out the fabric requirements. I recently started a quilt and way overbought material because the pattern was for a lap quilt and I wanted a king quilt.Most patterns give the block size, I'm ok with not wanting to change that, but I get lost when I try to decide how much more fabric to buy. Is there a rule of thumb for that?