Originally Posted by Conniequilts
At the bottom (or anywhere actually, but the bottom is the worst)- you shouldn't be seeing any green :)
Originally Posted by QultingaddictUK
Can you give a bit more detail as I can't see anything wrong with the angles, from here.
It looks like you are cutting your pieces too small, as the previous ladies have said, cut your pieces oversize, way oversize and that should correct your problem.