Update README.md

README.md

@@ -13,12 +13,13 @@ Magnet wire is inexpensively available in a variety of gauges, and the integral
 <img src='img/flatcoil-40awg-microscope.jpg' height=300px>
 <img src='img/flatcoil-cut.jpg' height=300px>
 
-Three phase actuators in Y and Delta configurations:
+Three phase actuators in multiple configurations:
 
-<img src='img/three-phase.jpg' height=300px>
-<img src='img/three-phase-2.jpg' height=300px>
+<img src='img/spreadcoils.jpg' height=250px>
+<img src='img/three-phase.jpg' height=250px>
+<img src='img/three-phase-2.jpg' height=250px>
 
-Planar magnetic speakers:
+Planar magnetic speakers (<a href='https://gitlab.cba.mit.edu/calischs/speaker-plotting'>my session for How to Make wildcard week</a>):
 
 <img src='img/speaker-microscope.jpg' height=300px>
 <img src='img/hex-spiral-coil.jpg' height=300px>