trained nitinol into spring form with the threads of a screw as the mold:
nitinol un-sprung:
![](wp-content/uploads/2012/03/IMG_2245.jpg)
nitinol sprung:
![](wp-content/uploads/2012/03/IMG_2246.jpg)
diamond pleat folded structure:
![](wp-content/uploads/2012/03/IMG_2256.jpg)
nitinol spring inside:
![](wp-content/uploads/2012/03/IMG_2255.jpg)
after applying heat:
![](wp-content/uploads/2012/03/IMG_2260.jpg)
![](wp-content/uploads/2012/03/IMG_2267.jpg)
wiring to lilypad:
mosfet setup:
![](wp-content/uploads/2012/03/IMG_2249.jpg)
switch:
![](wp-content/uploads/2012/03/IMG_2251.jpg)
setup in progress:
![](wp-content/uploads/2012/03/IMG_2274.jpg)
![](wp-content/uploads/2012/03/IMG_2279.jpg)
So far it works with a heat gun….
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