diff --git a/extensions/fablabchemnitz/archimedes_spiral/archimedes_spiral.inx b/extensions/fablabchemnitz/archimedes_spiral/archimedes_spiral.inx
index 9327508..c448648 100644
--- a/extensions/fablabchemnitz/archimedes_spiral/archimedes_spiral.inx
+++ b/extensions/fablabchemnitz/archimedes_spiral/archimedes_spiral.inx
@@ -48,6 +48,8 @@
             <submenu name="Shape/Pattern from Generator"/>
          </submenu>
       </effects-menu>
+       <menu-tip>The extension draws a spiral by a lot of fine-grained line segments.</menu-tip>
+       <icon>icon.svg</icon>
    </effect>
    <script>
       <command location="inx" interpreter="python">archimedes_spiral.py</command>
diff --git a/extensions/fablabchemnitz/archimedes_spiral/icon.svg b/extensions/fablabchemnitz/archimedes_spiral/icon.svg
new file mode 100644
index 0000000..61a92da
--- /dev/null
+++ b/extensions/fablabchemnitz/archimedes_spiral/icon.svg
@@ -0,0 +1,73 @@
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