Speaking about using this approach in Paperman, John Kahrs said that "Our animators can change things, actually erase away the CG underlayer if they want, and change the profile of the arm.
spˈiːkɪŋ ɐbˌaʊt jˈuːzɪŋ ðɪs ɐpɹˈoʊtʃ ɪn pˈeɪpɚmən, dʒˈɑːn kˈɑːrz sˈɛd ðˈæt "ˌaʊɚɹ ˈænɪmˌeɪɾɚz kæn tʃˈeɪndʒ θˈɪŋz, ˈæktʃuːəli ᵻɹˈeɪs ɐwˈeɪ ðə sˌiːdʒˈiː ˌʌndɚlˈeɪɚ ɪf ðeɪ wˈɔnt, ænd tʃˈeɪndʒ ðə pɹˈoʊfaɪl ʌvðɪ ˈɑːɹm.