Circular Kirigami using Kangaroo

Grasshopper
1

Greetings,
I am trying to achieve some similar output,
9470c98d562701b57ddadf6a09fb86c0

Creating a mesh with alternating cuts (circular arcs) worked fine,
Now on using kangaroo, to create the motion is something I need help with.
@DanielPiker @DavidRutten @laurent_delrieu
Thank you for your time.
Attaching a reference image and the script in progress too.kirigami circular.gh (25.6 KB)

2

Just to not let this question…

Your definition used way too short cuts!
“Bridges” that connect one ring to the other are much shorter than the cuts.

Here an attempt:

2021-02-17 03_31_39-Window
2021-02-17 03_31_39-Window1544Ă—356 98.7 KB

circular kirigami_V01.gh (25.7 KB)

Inside I’ve made a custom c# that “cut” a mesh (unweld) and move vertexes away from the cut:

2021-02-17 03_34_04-Window
2021-02-17 03_34_04-Window624Ă—566 35.7 KB

Possible tweaks for better simulation would be:

  • using equal length segments (currently outer ring is much more rigid than inner ring, due to same amount of edges
  • using a better solution to keep the paper un-shearable (currently, if you go too fast, it shears instead of bending…)

Hope it helps…

7 Likes
3

Thank you so much for your time and help @maje90