The purpose of creating a Black Sand Poster Graduation is to commemorate the occasion of graduation with a unique and personalized piece of art. The poster captures the name of the graduate, the date of graduation, and other details of the academic achievement. The black sand texture gives the poster a distinctive and elegant look that adds to its aesthetic appeal. The poster serves as a memento of the graduate's hard work and dedication, and can be displayed in their home or office as a reminder of their accomplishment.