After a disappointing first target she clawed her way back to third place but then, in the last eight, she misjudged two distances and shot two fives, missing the chance of a semi-final place.
In his first World 3D Championships, fellow compounder Gary Cole found himself was ranked third after the first elimination. But he dropped to sixth place in a hotly contested second round.
Lucy later said: "It just wasn't to be. Maybe next time."
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