colourful stack of triangles

abstract amlyd angular art artistic backdrop background bright changeable colourful colours complex complicated compound conceptual contrast decorative design dimensional dynamic edgy exotic exuberance generated geometric image kaleidoscopic lilac mathematical mathematically modern muted novel odd only pattern pointed potent primary red restful screensaver shapely soothing stack stark stylish swirl terse triangle triangles trigonometry type unique unusual uplifting using weird white widescreen