tə fˈɜːðɚɹ ɛnhˈæns fˈɪlm ɹˈʌfnəs, ðə sˈʌbstɹeɪt mˈeɪ biː mˈaʊntᵻd æɾə stˈiːp ˈæŋɡəl wɪð ɹᵻspˈɛkt tə ðə flˈʌks tʊ ɐtʃˈiːv dʒˌiːoʊmˈɛtɹɪk ʃˈædoʊɪŋ, wˌɛɹ ˈɪŋkʌmˌɪŋ lˈaɪn ʌv sˈaɪt flˈʌks lˈændz ˌɑːntʊ ˈoʊnli hˈaɪɚ pˈɑːɹts ʌvðə dɪvˈɛləpɪŋ fˈɪlm.
To further enhance film roughness, the substrate may be mounted at a steep angle with respect to the flux to achieve geometric shadowing, where incoming line of sight flux lands onto only higher parts of the developing film.