modular square architectural tile 3d model

20x20cm modular square architectural tile with a thin lightweight structure and maximum depth 20mm. Smooth geometric surface composed of four curved petal-like shapes flowing toward the center. Soft parametric design with rounded transitions and symmetrical repeating pattern. Flat back surface, hollow rear structure, uniform 3mm wall thickness, clean edges and seamless tiling between modules. Modern Scandinavian architectural aesthetic, matte white appearance, optimized for FDM 3D printing without supports.