Interior Space and Exhibition Design POLY INTERNATIONAL PLAZA SHOW FLAT OF OFFICE BUILDING by Percept Design Clean, fashionable and simple. The designer takes natural colors as the main tone, creating a fresh, natural but original fashion design studio.As a main element of industrial chic, concrete materials presents a sort of calming modernity, allowing for quiet appreciation of the space. Green plants and woods appeal to the idea of eco-friendly recycling. and natural. As a main element of industrial chic, concrete materials presents a sort of calming modernity, allowing for quiet appreciation of the space. Green plants and woods appeal to the idea of eco-friendly recycling.