If something must be left as a companion to the ugly thing, plaster casts would be quite good enough.
The Victory, of the Bargello, was said by Vasari to have been designed for the Tomb, but it may just as well have been intended for an angel overcoming a demon, part of the ruined scheme for the facade of San Lorenzo.

The lower figure is still left in the rough, and is supposed to be like the artist.

The head of the upper figure is so dull that it cannot have been carved by the sculptor who finished the torso so exquisitely.

It may have been left a mere block, like the head of one of the captives of the Boboli.

The man who carved the head, and also worked on other portions of the group, turned the neck round too much.