Hi Elisabeth- that is exactly right. There is a quilt company in Montana here that specializes in on point quilts using the fusible interfacing. http://www.crookednickel.com/home.html
The owner and designer is Lisa Maki and she travels all over the country to quilt shows to show her technique. One of her patterns is-And your point is? :-) :-) So anyway, check out her website, she has some great information that might help answer your question.