intricate black-and-white mandala for coloring

zentangleinspired blackandwhite emphasizing symmetrical mindfulness traditional background ornamental meditation decorative relaxation intricate geometric handdrawn spiritual zentangle coloring detailed abstract symmetry bohemian geometry artistic mandala pattern therapy graphic floral design circle sacred doodle vector black style adult line boho page set art art design mandala symmetry drawing pattern black ornament black- -white aesthetic doodle monochrome design