here are the drones. It is old. So it might need some tweaking to work in UMMU 2.0
http://www.4shared.com/file/70670620/9fdaa51/DRONEUMMU.html
Drones as vessel being able to attach items.
http://www.4shared.com/file/73937324/a0b29a92/dronesnewarm.html
http://www.4shared.com/file/70670620/9fdaa51/DRONEUMMU.html
Drones as vessel being able to attach items.
http://www.4shared.com/file/73937324/a0b29a92/dronesnewarm.html