blue set of hi-tech covers for presentation and marketing. futuristic for medical, scientific, computer flyers, brochures,

abstract advertise annual background banner blue book booklet brochure business catalog communication concept corporate cover creative data design digital document element event flyer future futuristic geometric graphic idea layout leaflet magazine marketing minimal modern page poster presentation promotion publication report science shape shapes tech technology cogwheel gear mechanic set hi-tech covers marketing medical scientific computer flyers brochures webinar pages high-tech