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Is it possible to create this picture with the voronoi texture node? enter image description here

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    $\begingroup$ it is probably much more some play around the wireframe modifier $\endgroup$ – lemon Aug 12 '16 at 9:43
  • $\begingroup$ it's possible to explain this $\endgroup$ – saded Aug 12 '16 at 10:08
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    $\begingroup$ No, exactly this cannot be obtained just from 3d voronoi, a smoothed 3d voronoi looks like this: 3dizingof.com/3D-Printing/wp-content/uploads/2014/05/…. What you want is a wireframe and subsurf modifiers with some creasing. $\endgroup$ – Jaroslav Jerryno Novotny Aug 12 '16 at 10:20
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That can be a way to do it :

  • Wireframe modifier
  • Subsurface modifier

Starting from a subdivided plane :

enter image description here

For information, this can be extruded : alt+E, edge selection mode. But some bad shading, as you can see :

enter image description here

Another edit :

You can do nearly the same job using a skin modifier. To do it, just compose a 3D grid and set the modifiers as shown below :

enter image description here

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    $\begingroup$ How does this work on a cube? $\endgroup$ – cegaton Aug 12 '16 at 14:17
  • $\begingroup$ @cegaton, did not tried... I'll do it when possible and tell here $\endgroup$ – lemon Aug 12 '16 at 14:27
  • $\begingroup$ @cegaton, edit done $\endgroup$ – lemon Aug 12 '16 at 14:41
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Volume shader

It is not fast to render, it is not the most practical method, but I cloud not resist to post this image:

Voronoi Volume

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  • $\begingroup$ Good, but is not symmetric $\endgroup$ – saded Aug 12 '16 at 13:50
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Cell Fracture Voronoi

enter image description here

Margins have control and achieve constant width goal.

  • Cell Fracture results in one plane then extruded
  • Boolean difference with a Cube, yellow
  • Triangulate, blue
  • Detail in large

enter image description here

enter image description here

Result of Cell Fracture after steps below. Click image to see larger version.

enter image description here

Simple Cube in Layer 01 with the Cell Fracture Add On showing settings. Above image.

enter image description here

Particle System Modifier used on Cube.

  • Cube scaled rather flat
  • Particle System attached to Cube. Settings above.
  • Cell Fracture add on used with settings above. Note Margin settings. Adjust to suit your needs. Add on installed in user preferences. See Cell Fracture tutorials if needed.
  • Switch to next Layer 02 to see Cell Fracture Results CFR. CFR multiple objects joined Control-J.
  • Edit Mode. Vertex Mode. Select Vertices on Bottom Side. Delete Vertices. Face Mode. Select Top Face. Select Similar by Normals. Vertex Mode. Selection Inverse. Delete Vertices.
  • Only top flat faces remain.
  • Render Image. Use image in Compositor or as Texture.
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