Triangle Staff

Triangle Staff (トライアングルスタッフ) was a Japanese animation studio established from former Madhouse staff, contributing to such productions as Serial Experiments Lain, Slayers, and NieA 7. The studio ceased operations in 2002, when they were set to do the animation production on WXIII: Patlabor the Movie 3, but after their shutdown, it was done by Madhouse.