[Russian] Adventures of Winnie the Pooh (1969) - 3
Movie - Starchaser: The Legend of Orin 3D (1985)
The New York Times described it as "such a brazen rip-off of George Lucas's Star Wars that you might think lawyers would have been called in"--in 3D!
The Films of Sally Cruikshank
First of a series, Cruikshank evolved a recognizable animation style with surrealistic and psychedelic elements.