Index: trunk/images/presets/nautical/penstock.svg
===================================================================
--- trunk/images/presets/nautical/penstock.svg	(revision 13895)
+++ trunk/images/presets/nautical/penstock.svg	(revision 13895)
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg xmlns="http://www.w3.org/2000/svg" width="10" height="10" viewBox="0 0 10 10" version="1.1">
+  <circle cx="5" cy="5" r="4" stroke="#000000" stroke-width="1" fill="#1d8ece" />
+</svg>