She says she would rather be on the screen than behind it, but Katie Curley still loves being a projectionist at the IMAX theater at Jordanӳ Furniture in Natick. The 22-year-old, who lives in Walpole, has spent many hours in the projection room watching people enjoy 3-D movies. But her job is interesting, she says, and even lets her find the time to study theater at Dean College. Curley took some time this week to tell us a bit more about herself, one of the unknown people who makes it possible for you to enjoy a movie.