The Enneagram of Personality
Gurdjieff introduced the geometric figure itself from around 1916, with no personality types attached. Oscar Ichazo added the ego fixations at Arica, Chile, in 1968–71, and said so himself — no source predating Ichazo attaches types to the figure at all.
Oscar Ichazo's own account of devising the fixations, Arica, 1968–71; Claudio Naranjo's subsequent teaching at Esalen
A nine-pointed figure used to map nine personality types, widely marketed as an ancient Sufi teaching.