Take the Red Line to Quincy Adams T stop. The T-Station is located on corner of Center Street and Federal Avenue, so upon exiting the building turn right and walk throught the parking garage and then left onto Federal.
At the light turn right and cross Federal Avenue. One block further, across the street intersects Crown Colony Drive. Cross Centre Street and walk up Crown Colony Drive, which is a slight hill.
Turn right on to Congress Street which is the first street on your right. PaperThin is located at 300 Congress, which is the middle building in a set of three.