National 3D Day is celebrated on March 17th, focusing on raising awareness and excitement about 3D printing technology, which encompasses both art and science. The day provides an opportunity for enthusiasts and newcomers alike to engage with 3D printing, promoting education and involvement in this innovative field. Typical activities include watching 3D films, with options available in cinemas or at home, and learning about the technology behind 3D imaging. The event encourages individuals to explore the applications of 3D technology across various industries, including medicine and engineering. National 3D Day was established through the efforts of Ilicia Benoit and the non-profit organization 3-D Space. The celebration aims to foster a deeper understanding of how 3D technology impacts our lives and industries.