In our everyday experience, objects are bound by three-dimensional space, and it is not possible to make an object "come out" of this space in a literal sense. Objects, including ourselves, exist within the three dimensions of length, width, and height, and our perception and interactions are limited to this three-dimensional realm.
However, in certain scientific or conceptual contexts, people may refer to objects or phenomena as "extending beyond" or "existing in" three-dimensional space. This typically occurs when discussing theoretical or mathematical constructs, such as extra dimensions in physics or abstract mathematical models.
If you are referring to how to represent or conceptualize objects in higher-dimensional spaces mathematically, it depends on the specific dimensionality and mathematical framework you are considering. For instance, a four-dimensional object (known as a hypercube or tesseract) can be represented using mathematical equations or visualizations that incorporate an additional dimension beyond the three spatial dimensions.
It's important to note that our human perception and intuition are based on three-dimensional experiences, so truly understanding or visualizing objects in higher dimensions is challenging. Mathematicians and physicists use abstract mathematical models and advanced tools like geometry, algebra, and differential equations to work with and study objects in higher-dimensional spaces.
In summary, while objects are inherently bound by three-dimensional space in our physical reality, there are mathematical and theoretical frameworks that allow for the conceptualization and study of objects in higher-dimensional spaces.