I love your sampler quilt. So pretty and well done.
Someone at one time posted a quilter who sang a song about making quilts. It was hillarious! She suggested you just go ahead and lop off those points and get it over with ...LOL!
I bought three books and read them over and over because of those crazy points. I was talking to a teacher at a local quilt shop some time ago and she in one moment of inspiration taught me to make them. It was a combination of things I was doing that all added up.