convert="invert"/>
<number id="thickness" type="slider" arg="-thickness %"
_label="Lines" _low-label="Thin" _high-label="Thick"
low="1" high="150" default="50"/>
convert="invert"/>
<number id="thickness" type="slider" arg="-thickness %"
_label="Lines" _low-label="Thin" _high-label="Thick"
low="1" high="150" default="50"/>