Update README.md

README.md

@@ -7,7 +7,6 @@ Project for wire plotting of membrane speakers.  for wildcard week in mas.836 20
 - Sam Calisch
 - Elena Chong
 - Zijun Wei
-- Victoria Shen?
 
 We will use a custom magnet wire plotting tool for the Zund cutter to plot coils for audio speakers.
 
@@ -48,7 +47,10 @@ In our meeting this morning, we talked about how rod magnets are more widely ava
 <img src="img/square-grid.png" height=400px>
 <img src="img/hex-grid.png" height=400px>
 
+The design below has rotational symmetry, which may help flatten its frequency response.
 
+<img src="img/hex-spiral-screenshot.png" height=400px>
+<img src="img/hex-spiral-coil.jpg" height=400px>
 
 
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