architecture artwork birds cladding colorful colourful decoration decorative design facade front house mock modern optical illusion painted perspective roof visual illusion windows brick bricks slide fastener zip zip fastener zipper mural abstract background color colored colors colour coloured colours cube cubes desktop multicolored multicoloured squares structure structures texture textures 3D abstract background abstract backgrounds backdrop backgrounds black black abstract background blue blue abstract background chaos colorful abstract background computer concepts creation curve effect elegance energy fantasy figure