set( min, max ) {

		this.min.copy( min );
		this.max.copy( max );

		return this;

	}
Sets the lower and upper boundaries of this box.
Please note that this method only copies the values from the given objects.

@param {Vector3} min - The lower boundary of the box.
@param {Vector3} max - The upper boundary of the box.
@return {Box3} A reference to this bounding box.