Welcome back Pippa! I find the more seams involved in a block then better to use a 'scant' 1/4" seam. Moving your machine foot a touch to the right if your machine allows will give you the scant 1/4" seam you need. Hopefully then you will get your 10 1/2" block... Hope this helps
Originally Posted by
pippa
Been away from the board for a while for family reasons but thought I might join you so made my block yesterday. It turns out 10 1/4 not 10 1/2 :-(