Originally Posted by
DOTTYMO
I would do an old thing and draw a 1/4 inch line this will show you exactly where to fit triangles. It also looks as if you have a little stretch on the bias. Do you have some more fabric to cut inside triangE. .
You only need 1/4 inch above point. That seem may need to be a smidgin smaller
I found it very helpful to have the corner seam points marked so I could match them up.
I think I would construct the block into four triangle units, and then put the the triangle units together.