update with image of flexure not flexing

README.md

@@ -46,4 +46,10 @@ M5 Nuts 93625A200
 M5 SHCS (length not selected) 91292A128
 M5 Washers 93475A240
 
-also uses long M3's for tuning, nuts, washers. Length to be selected.
+also uses long M3's for tuning, nuts, washers. Length to be selected.
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+
+## Some Simulation
+
+It occured to me in class today (Rob Hart fabricated the below component!) that the two-bar flexure I had intended was acting much more like a one-link flexure. Whoops, all well. Still does its job. Here's an image of that in any case:
+
+![onebar](/images/preload-sim.png)
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