This tutorial shows you how to create a procedural vein, that is composed of small segments that you have drawn by hand. This way the overall look of the vein is art-directable. While creating the vein you learn about concepts like matrix multiplication, quaternions and the primuv() function as well as looping in SOPs.

This is the first part of a two part tutorial, that deals with the creation of the vein itself. The second part (that will be released in 2 weeks) extends the setup with branches, hull geo and growth.


IAMAG Announcement

IAMC19 : The Art Community is Back in Paris – March 15th – 17th

John Howe, Nicolas Sparth Bouvier, Aleksi Briclot, Paul Chadeisson, John J. Park, Feng Zhu, Vance Kovacs, Andrea Goh, Jaime Jasso, Nicolas Weis, Goro Fujita, Noëlle Triaureau Jama Jurabaev, Andrea Blasich, Mike Morris ,Gini Santos, Daniel Gregoire, Raphael Lacoste, Marc Simonetti …



Vein Growth in Houdini

Vein Growth in Houdini

Vein Growth in Houdini

Vein Growth in Houdini

Vein Growth in Houdini

Vein Growth in Houdini

Vein Growth in Houdini

Vein Growth in Houdini