Interior Space and Exhibition Design Xpower Gym Fitness Space by Fei Fang This case highlights the rationality of "X", but there is no direct reflection of its shape in the space. The designers split and combine it, and form the wall with V-shaped broken lines and rectangles. The top surface is composed of quadrilateral extending downward, the column of rough terrazzo forms the transition. The "X" is crushed in every corner of the space, while the sense of strength into every gap in the space.