Well, title is quite specific. As you can see there are no shadows over the colored mesh (is coming from grasshopper, with colors related to its vertices). The render is with standard rhino render, sun and skylight ON.
Colored mesh doesn't cast shadows over itself - Rendering - McNeel
Download 4k Abstract Textile Wallpaper
Rhino 3D Blog: January 2007
VV2-all – Yellow Nineties 2.0
Colored mesh doesn't cast shadows over itself - Rendering - McNeel
Main Page/SlicerCommunity/2011-2014 - Slicer Wiki
Transparent but still cast shadows? - Serengeti (Rhino WIP) - McNeel Forum
The Letterhead Fonts Company / Handcrafted Typefaces for The Artist
V-Ray Notes (Week 05)
Weird shadows on runtime generated mesh (cube) - Unity Forum
Assignments
VFX
Meshes with intensely dark circular shadows - Art Design Support
Blog — Deisher Studio