colorful concave and convex triangles seamless in turquoise and purple hews

abstract backdrop background banner bedclothes brochures card cloth colorful colourfulness concave convex cover decor decoration decorative diamond endless fabric fashion flyers geometric graphic green hew hews illustration landing magenta multicolor page pages paper patchwork pattern poster posters print purple random repeat seamless shape shapes surface tablecloth template textile texture textured triangle triangles turquoise vector wallpaper web wrapping