T2-3D: Battle Across Time simultaneously at 30 frames per second. Several elements of "T2 3-D: Battle Across Time" have been patented by Universal, including the seat drop effect, the blending of live action and film, the trio of projection screens, and the simulated assault weapons. The film was shot at the abandoned Eagle Mountain iron ore mine, just north of Desert Center in California. The cast and crew from the first two Terminator films returned for the shoot, including Arnold Schwarzenegger as The Terminator, Linda Hamilton as Sarah Connor, Robert Patrick as T-1000, and Edward Furlong as John Connor. To achieve the 3-D effect
T-1000 terminators. The animation was mostly similar to how it was done in "Terminator 2", only with more advanced fluid simulations. To properly depict the liquid metal being dissolved by acid, Double Negative's artists studied acid burning through aluminum, and had its final distorted forms inspired by "The Thing". In the "Terminator 2" storyline, the T-1000 is made of liquid metal. The T-800 explains that the T-1000 is a more advanced Terminator, composed entirely of a "mimetic polyalloy", rendering it capable of rapid shape shifting, near-perfect mimicry and rapid recovery from damage. Furthermore, it can use its ability to quickly liquify