Allen was renowned for his skill at scratch-building and creating scenery, and he pioneered the technique of weathering his models to make them look old and more realistic.
Allen was renowned for his skill at creating scenery but not scratch-building.
( z1 renown :ARG1 ( z2 person :name ( z3 name :op "Allen" ) ) :ARG2 ( z4 contrast :ARG1 ( z5 skill :topic ( z6 create :ARG0 z2 :ARG1 ( z7 scenery ) ) :poss z2 ) :ARG2 ( z8 skill :polarity - :topic ( z9 build :mod ( z10 scratch ) ) :poss z2 ) ) )