The 3DOs were humanoid in form and equipped with the top of the line circuitry and servos that were needed for repair tasks and other detailed work. Its visual and auditory sensors were capable of seeing in the Human range of vision and processing Human levels of hearing; it was also built with a vocabulator capable of mimicking Human speech. Like most droids built in that era, the 3DO series required frequent recharging and maintenance.
- Tales of the Jedi 3: The Saga of Nomi Sunrider, Part 1 (First appearance)
- Tales of the Jedi 4: The Saga of Nomi Sunrider, Part 2
- Tales of the Jedi 5: The Saga of Nomi Sunrider, Part 3
- Tales of the Jedi audio drama