The project is a narrow space located on the 15th floor of an office building. In order to create a studio full of vitality and creativity, the designer utilizes the interaction between structure and space to liberate the free movements of lines in the space. Starting points are revealed by multiple lines resembling paths of a cave. The free curvilinear translations of lines create various planes, which would be overlapped with each other to create a three-dimensional space with perceived fluidity. Gray color is adopted in a large scale to alleviate the visual fatigue brought by the red color.