"It means a sculpture of no particular shape." She explains, keeping a weather eye on her.
"It doesn't look like a person, or an animal, or anything in particular! It's just... a shape. It's a good way to capture feelings, rather than images."
Other options:
no subject
"It means a sculpture of no particular shape." She explains, keeping a weather eye on her.
"It doesn't look like a person, or an animal, or anything in particular! It's just... a shape. It's a good way to capture feelings, rather than images."