Revision concern. Can you see any issues with it?

I've never seen a diced cartilage/fascia graft change shape 2-3 months after placement. Although it is possible I suspect that the graft was not thick enough and the inadequate projection became visible after the normal post-op swelling resolved. I would rather revise the DCF graft than place a...

Closed rhinoplasty is an excellent method for some revision surgeries. Closed rhinoplasty is practiced by only a few experienced and skilled rhinoplasty surgeons. In your particular case, you should consider allowing more time for things to settle, as you could very well end up liking your result. 

It is tough to say from your description without seeing photos, but in general, it is absolutely possible to widen an over-narrowed tip. You may or may not need actual ear cartilage to replace what was done as many times the tip is narrowed with sutures that can be removed. If you do need...