Plastron/Legends

A plastron was the name of the broad piece of material covering the ventral (belly) side of upright, bipedal droids. It functioned as a protective covering for their internal circuitry and components. Bollux the BLX labor droid was fitted with an airtight, hinged plastron, in which was housed the slicer droid, Blue Max.

Appearances

 * Han Solo at Stars' End
 * Han Solo's Revenge
 * Han Solo and the Lost Legacy
 * Star Wars Episode IV: A New Hope