Originally Posted by ckcowl

I often use 1/4" graph paper to sketch out- resize blocks. but you can also visit places like 'quilter's cache' which has many free blocks- you can choose what size you want and find the block you want in that size category. one thing doing it by math---always subtract the seam allowance (1/2") then resize the block- then add the seam allowance back on. an example of why this is important----if you have a 6" finished block (6 1/2" unfinished) and you want a 9" block- 6" X 1.5 = 9" then add the 1/2" seam allowance- so your unfinished would be 9 1/2" --if you leave the seam allowance (6 1/2") and increase by 1.5 you get 9 3/4" your blocks will not go together correctly- so, remove seam allowance measurement- figure the finished size of the block- then add the seam allowance.