Fix planepath fill patterns for very small regions. #1463
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@ -36,7 +36,7 @@ sub fill_surface {
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my $polyline = Slic3r::Polyline->new(
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map [ map {$_*$distance_between_lines} $path->n_to_xy($_) ], @n,
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);
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return {} if !@$polyline;
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return {} if @$polyline <= 1;
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$self->process_polyline($polyline, $bounding_box);
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