HEX HEX: The Great Exhibition New Date and Sign Up! 1. September 2021 by Christine Vean Finally, we have a new date for the extravagant HEX event: October 1st 2022!!! We also have some spots open so we are opening up the sign up again, so tell your friends! Sign up deadline is September 30th 2021. More information on HEX: The Great Exhibition website and sign up here.