The screen is usually a canvas, but it becomes a window to an enormous room in Wim Wenders’ latest 3D documentary, “From Inside Out – The Architecture of Peter Zumthor.” Within that room unfolds the tale of the Swiss architect of the title, told in occasionally laborious ways. It spends much of its two-hour runtime teaching you how to watch it, and like your average high school class, you might not see the value of its instruction until it eventually comes in handy. In that vein, Wenders presents some magnificent things in the film’s final third, sensations which emerge like...