SENTIENCE

Smart Materials  Morphing Structures   Computational Design  Digital Fabrication


  
Fig. 1, 2 & 3: Sentience at RISD Grad Show 2026 Fig. 4: Amphimorph surfaces in action


 

Fig. 5 & 6: Amphimorph surface defomation tests and making-process 

Conventional kinetics draw a clear demarcation between structure & actuator. Shape Memory Alloys (SMAs) begin to dissolve it. SMAs can change shape with sufficient force & repeatability to drive functional movement when spatially organized within a fabricated geometry. Two designed objects test this principle across distinct movement problems:

Amphimorph (Fig. 1-6)
: An accordion-like multi-surface actuator with zone-based SMA distribution for tunable deformation.
Vermis (Fig. 7-10): A lightweight crawler that translates SMA contraction into locomotion.



Fig. 7 & 8:
Vermis, Fig. 9: Vermis top view with body deformation Fig. 10: Vermis in action


Each prototype augments SMA actuators with elastically deformable structural materials that act as passive energy stores by providing the restoring force required for repeatable movement, through multi-process fabrication methods & driven by Arduino-based physical computing translating thermal input into coordinated actuation.

These objects share a fundamental reorientation in design logic from systems that impose movement through mechanical force to those that release it through the intrinsic behavior of matter. This distinction carries significant implications for soft robotics, adaptive structures & biomedical devices or domains where material-encoded, low-infrastructure actuation remains an active & evolving area of inquiry. The work presented here establishes a replicable framework for this approach, with capacity for extension across micro to macro scales through disciplines where the boundary between material & mechanism remains productively open.


Read the full thesis here.


Acknowledgement: This research was conducted towards the fulfillment of the Master's in Industrial Design Thesis at the Rhode Island School of Design and is supported by RISD ID Department's Marc Harrison Fund & Graduate Commons Grant Fellowship.


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