CreARTathon 22 will be held at La Fabrique, fablab of CentraleSupélec which is located inside Bâtiment Bouygues of CentraleSupelec school.
Accomodation is very near.

La Fabrique - CentraleSupélec
Bâtiment Bouygues
9 Rue Joliot-Curie
91190 Gif-Sur-Yvette, France

Public Transportation:
RER B : Le Guichet station then Bus number 9 (stop at Moulon).
Or Massy-Palaiseau station and Bus number 91.10 (stop at Université Paris Saclay).