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This bistable auxetic material gets bigger in all directions when you stretch it. It's also becomes 3 dimensional!

The paper by Tian Chen and colleagues is:
Bistable auxetic surface structures, ACM Transactions on Graphics (TOG), 40(4), 1-9. (Chen, T., Panetta, J., Schnaubelt, M., & Pauly, M. (2021) https://dl.acm.org/doi/abs/10.1145/3450626.3459940

You can find the cut patterns and other recourses here: https://github.com/UH-AIM/bist....able-auxetic-surface

Tian is currently working at the Architected Intelligent Matter Laboratory: https://aim.me.uh.edu/

Here's my video about flexible polyhedra: https://youtu.be/JiC6DbBoV4Y

Veritasium video about compliant mechanisms: https://www.youtube.com/watch?v=97t7Xj_iBv0

Here's my Discord server: https://discord.gg/B6uNzAgshy

You can buy my books here:
https://stevemould.com/books

You can support me on Patreon and get access to the exclusive Discord:
https://www.patreon.com/stevemould

just like these amazing people:

Alex Hackman
Glenn Sugden
Tj Steyn
Pavel Dubov
Lizzy and Jack
Jeremy Cole
Brendan Williams
Frank Hereford
Lukas Biewald
Damien Szerszinski
Marshall Fitzpatrick
Heather Liu
Grant Hay
John Zelinka
Paul Warelis
Matthew Cocke
Nathan Blubaugh


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