A sculpture is a type of artwork created by shaping hard material into a object. An artist that creates a sculpture is called a sculptor.
During his studies of Earth, Trelane found Napoléon Bonaparte highly admirable and kept a bust of Napoléon in his castle on Gothos. (TOS: "The Squire of Gothos")
Sculptures of the USS Enterprise-B and USS Enterprise-C adorned the wall of the observation lounge on the USS Enterprise-D during the first few years of that vessel's service. (Star Trek: The Next Generation)
David was a famous sculpture by the Human artist Michelangelo. In 2370, Jean-Luc Picard compared it to Symnay's Tomb for its ability to inspire and affect individuals. (TNG: "Birthright, Part I")
Later that year, Mrs. Narsu's class were working on clay sculptures on board the USS Enterprise-D. Lieutenant Commander Data was also present in an attempt to "work on his imagination". Counselor Deanna Troi suggested he try something more "abstract" after he produced a sculpture of a Federation data PADD. She suggested he sculpt something to do with music, to which he responded by sculpting a treble clef. (TNG: "Masks")
The Eventualist movement was a school of classical sculpture.
A post-eventualist, pre-Matoian bronze and triptin sculpture was auctioned at Quark's in 2373. (DS9: "In the Cards")
In 2374, Kathryn Janeway tried to illustrate to Seven of Nine the importance of relaxation and artistic expression by having her sculpt a head made out of clay in the Leonardo da Vinci holodeck program. Seven found the exercise to be unproductive. (VOY: "The Raven")