Grasshopper

algorithmic modeling for Rhino

Elastic sheet bending with Kangaroo Hinge force

The Hinge force in Kangaroo can produce some very realistic sheet bending behaviour!

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Comment by Mårten Nettelbladt on June 7, 2018 at 9:16am

Hey Bart-Jan,

Try these: 

https://www.dropbox.com/s/1wrki7ijaghhbt2/MN-hinge-test-02.3dm?dl=0

https://www.dropbox.com/s/s8pr29bgvecyj7o/MN-hinge-test-02.gh?dl=0

The files are old (19 august 2011) and I think they included Weaverbird.

Comment by Bart-Jan van der Gaag on June 6, 2018 at 3:21am
*the GH file
Comment by Bart-Jan van der Gaag on June 6, 2018 at 3:20am
Hi Marten, Could you please share the script for this one?

Thank you!
Comment by Mårten Nettelbladt on August 19, 2011 at 3:34pm
When I compared the rod bending curve from Kangaroo with the traced saw blade
http://www.grasshopper3d.com/photo/mnkangaroobending-1
I found that the springs needed to be really stiff in order to get the correct shape of the curve.
Comment by Mårten Nettelbladt on August 19, 2011 at 3:14pm

A comment from Daniel Piker (received off list):

I think for something more like paper the spring stiffness needs to be quite high relative to the hinge stiffness, as otherwise it seems to bend in plane quite a lot

Comment by Mårten Nettelbladt on August 19, 2011 at 3:07pm
Thanks!
Comment by David Wood on August 19, 2011 at 7:53am
Beautiful to watch!
Comment by RWNB on August 19, 2011 at 5:08am
nice!
Comment by Pieter Segeren on August 19, 2011 at 2:15am
wow! love it.

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