halftone seamless pattern. repeated geometric gradient. black geometry pattern on white background. repeating gradation for

abstract backdrop background black border brilliant brilliantes brilliants continuous cube degrade design designs diamond diamondes diamonds diffuse dot effect eps fade geo geometric geometry gradated gradation gradient greyscale half halftone image intricate modern motif motifs paper patern paternal paterned paternes paternity paterns pattern patterned patternes patterns prints regular reiteration repeatable repeatedly repetition repetitive rhomb rhombic rhombus rhombuses screen screentone seamless shade square squares tessellation tessellations texture thick thickness thin tone transition transitions triangle triangles triangular vector wallpaper white