Having three sides.
Proprioception is the medical term meaning three-dimensional perception.
A three dimensional spiral.
trompe l'oeil
three dimensional
"3D"
Cubic
A three-dimensional rock refers to a physical rock that has volume and occupies space in a three-dimensional environment, showcasing length, width, and height. This term can also imply the study of rock structures and formations in geology, where rocks are analyzed in terms of their spatial arrangement and physical properties. Additionally, in artistic contexts, a three-dimensional rock could refer to a sculpture or representation of a rock that emphasizes its depth and form.
Perspective, perhaps.
Probably not. We use the term 'volume' to express the amount of space occupied by three-dimensional object.
The term for the creation of the illusion of three-dimensional texture on a two dimensional surface is "visual texture." There are many ways of achieving visual texture, including relief, shading, and perspective.
The term "statue" is used for three-dimensional works of art. Of course, two-dimensional works of art exist, but they are not usually called "statues".
It's called a "double helix".