Ectopic Form( Complete Psionic, p. 50)
This feat allows you to create astral constructs with distinct appearances and specialties.
Know astral construct power,
The astral constructs you create using this feat vary in appearance and talents.
You can gain Ectopic Form multiple times. Each time you take the feat, it applies to a new form of astral construct. You can only apply one of the following feats to each astral construct you create. When you use this feat, refer to the preconstructed astral constructs of particular kinds on pages 121-128.