This example of shape memory alloy (SMA) used to actuate fabric into a smocking pattern was made during the SMA meets Smocking Workshop held by Aniela Hoitink and Isabel Cabral at the 2014 E-Textile Summercamp.
Also see this post on fabric pleating with Chris Palmer >> http://www.kobakant.at/DIY/?p=3563
Front and back:
1 Ampere, 19 Volt:
Making the SMA to copper