abstract angles appearance art artistic arty backdrop background blended bright color colored colour coloured corners decorative design details geometric geometrical interconnected intermeshed interwoven light linear lined lines patterns perspectives shape shaped shapes squares style texture textured textures variations vibrant wallpaper blue unusual tubes tubular colors colours mat mesh overlapping pointed points rounded decoration horizontal interlaced interlinked mosaic pink red square squared surface surfaces symmetrical symmetry thick thin checks colorful colourful connected connections vertical