Rebuilding a columella and infratip?

Yes, it is possible to create a nicer columellar/infratip lobular complex, usually through the placement of some type of graft using either ear or septal cartilage, possibly combined with some tip sculpting maneuvers. 

Yes, you can refine your nasal tip, columella, and infratip areas by placing small crushed cartilage grafts into your nose. This can be done through a close rhinoplasty approach and a minimal access incision to minimize your swelling and postoperative recovery.