A plugin or definition dealing with crystalline growth? Like a geode?

[laurent_delrieu]

The closest I know is for a single crystal

Grasshopper and Brazil gemstones

9 gemstones made with the attached Grasshopper file and rendered in Brazil. CrystalMaker.gh (12.5 KB) [image]

Crystal Maker Test Gems with .IOR in Thea Render

Hey, I did a test in Thea Render with @DavidRutten 's “Crystal Maker” Grasshopper tool: I used a tiny 0.01 Edge Softening for some subtle edge-highlights and all the materials are lab-measured gems using .ior files for diamond (most of the gems in the background), ruby, sapphire, amethyst, aquamarine, emerald, tourmaline and titanium dioxide (lower right). (Some of the colours are quite subtle in this size of just a few millimetres…) The only light is from a HDRI, so the caustics are not as …

And SnowFlake

Snowflakes

Here is a rendered view (-viewcapturetoclipboard of rendered view of Rhino 6) of my new snow crystal growth on mesh. [snow flakes on balls] See Render with V-ray3.4 [snowflakes on balls vray] Alpha = 1 Beta = 0.3 Gamma =0.0001 5000 iterations Sphere mesh with ~320 000 faces