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 amazing skill at scratch-building.
( z1 renown :ARG1 ( z2 person :name ( z3 name :op "Allen" ) ) :ARG2 ( z4 skill :topic ( z5 build :manner ( z6 scratch ) ) :ARG0-of ( z7 amaze ) :poss z2 ) )