découpage
Concise Oxford English Dictionary © 2008 Oxford University Press:
découpage /ˌdeɪkuːˈpɑːʒ, dɪˈkuːpɑːʒ, ˈdɛkuːpɑːʒ/
▶noun the decoration of the surface of an object with paper cut-outs.
– origin 1960s: Fr., from découper ‘cut out’.
'découpage' also found in these Oxford entries:

