where is the 3D film attraction  which  Trautman began working with the Muppets in 1990 on  located 
Allan Trautman:  Trautman began working with the Muppets in 1990 on "Muppet*Vision 3D", still showing in the Disney theme parks. Muppet*Vision 3D: Muppet*Vision 3D is a 3D film attraction located at Disney's Hollywood Studios.
Disney's Hollywood Studios