triangles dominant in widescreen format

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