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3D Texture - Voronoi

by aeron203, published

3D Texture - Voronoi by aeron203 Jul 22, 2012
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Summary

This Cellular Chips (Voronoi) procedural texture has been rendered into a volume data cube. It is a non-tiling 8-bit texture at 256 x 256 x 256 voxel resolution. Iso-surface meshes are also provided in PLY and STL. These textures are from an archive I made nearly a decade ago, by simply sweeping a plane through a procedural texture and rendering out the results. Here are the available formats:

RAW data 256x256x256 8-bit (zipped), 16MB uncompressed

BMP sequence 256x256x256 8-bit (zipped), 17MB uncompressed

PNG codec AVI 256x256x256

PLY isosurface mesh 0.9M polygons

STL isosurface mesh (reduced) 430K polygons

Instructions

This is from my series of volumetric objects created to help people explore the differences between polygonal and volumetric representations of objects.

Learn more about the benefits of volume-based data structures for 3D printing here:

40westdesigns.com/blog/?p=371

Read more on the subject in my post on Engineering.com here:

engineering.com/3DPrinting/3DPrintingArticles/ArticleID/4523/2012-The-Beginning-of-the-End-for-Polygons.aspx

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Its like a shattered companion cube!

Hi! Awesome stuff you have here! Love your work!

The only thing I'm wondering about this - would it be possible to 3D print?
It looks like there is pure empty space around each bit - so each bit is suspended in mid-air. (if that makes sense).
Even with maybe some sort of transparent polymer surrounding this - i have no idea how this could be pri
nted at all. :(

I just added two new versions for two materials of a multi-material print. The outside model has a cube with chamfered edges, spaced 4mm from the inner parts. This would look great with the framework printed in Objet's Vero Clear, and the inside in black or white.

You are right that if you printed the mesh version, for example on a powder-based printer, the pieces would separate. The mesh could easily be surrounded by a cube and inverted. Then, the hollow parts would be solid and the parts you see would be empty. The only reason I didn't do that is because the inside would not be visible, so the picture would be boring. Also, there would be no holes to release support material on printers that use it.

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