Octahedral lattice sphere

Here is a definition used to replicate the photo "Octahedral lattice sphere" also to answer to https://www.reddit.com/r/rhino/comments/3xjnx3/does_anyone_have_exp...

Here is another way of doing on a sphere. I use panelling on a quad mesh sphere. See also :http://www.grasshopper3d.com/forum/topics/truchet-tiles-on-revolved...

Above renderings of lattices

Left : done with BREP/surface using YANG (Yet Another Node Generator)

Right : mesh from Intralattice

Attachments:

Octahedral lattice sphere.gh, 11 KB
panelling on quad mesh sphere.gh, 26 KB

Replies to This Discussion

Permalink Reply by Aidan K on January 20, 2016 at 2:22pm

Hey Laurent,

That's some impressive reverse engineering, that's exactly how the sphere was made!

I didn't realize there was a reddit thread about this. The meshing is still the main issue that keeps coming up. You have to be really diligent about avoiding overlaps - having the mesh explode on you. We'll be improving meshing and solidification significantly over the course of the summer. For now, another solution that wasn't mentioned is to use the HeterogenGradient component and use a spherical or cylindrical gradient option, to reduce the thickness of the struts as they approach the center.

Attachments:

heterogeneous_sphere.gh, 7 KB

Permalink Reply by Tim Downing on October 5, 2018 at 10:20am

Awesome work! Would you share the STL so I can print this? (I don't have rhino, but think this is amazing!)

Thanks!

Permalink Reply by Laurent DELRIEU on October 10, 2018 at 3:09pm

I put a link here

https://www.dropbox.com/s/7matkaj6d2ivocb/sphere%20Octahedral%20lat...

I also did a low poly mesh that could be easily smoothened.

https://www.dropbox.com/s/i67ibz768rputl1/sphere_quad.obj?dl=0

Permalink Reply by Praanesh Sitharthan on August 8, 2020 at 10:39am

Can you please provide a definition to replicate the solid border that is wrapped both on the inside and the outside of the cylindrical lattice in this picture?