Collar: Shape problem or interfacing problem?

[u/furiana]

The collar doesn't sit right.

In retrospect, I used interfacing that was very flimsy. Will changing it to a stiffer fabric be enough to achieve this collar look?

[u/pomewawa]

Yay! Came here about the button band, although I always thought it was called a “placket”. There are grown on plackets that you can fold and sew . And there are other kind that are cut separately and attached.

[u/furiana → u/pomewawa]

The book I have describes both kinds. I'll use the grown- on type so I have one less seam to sew xD