+
+ <number id="poles" type="slider" arg="-poles %"
+ _label="Number of poles" _low-label="0" _high-label="31"
+ default="0" low="3" high="31"/>
+
+ <number id="speed" type="slider" arg="-speed %"
+ _label="Speed (of smallest disks)" _low-label="1" _high-label="20"
+ default="1" low="1" high="20"/>
+