1344. Multipurpose Engineering Spherical Device from Star Trek: The Next Generation, Voyager and Enterprise. (Paramount-TV, 1987-94, 1995-2001, 2001-05) Aluminum and brass sphere used as a multipurpose engineering device in multiple series and episodes. First seen in the TNG episode, "Menage a Troi," as part of a Ferengi interface console. It also appeared in the TNG episode, "Nth Degree," as part of a neural interface and in "Emergence," as part of the U.S.S. Enterprise's power grid. Reused in Voyager and Enterprise. Built by Makeup & Effects Lab and measures 9 in. in diameter.