Iris was sculpted in Zbrush and baked/rendered in Marmoset Toolbag 3. Textures painted in Substance Painter.
Eye model setup created for my elderly lady portrait.
![Realistic 3D Eyeball with Sculpted Iris Shader in Marmoset Toolbag Front View by Roy Nottage](https://royzy.com/wp-content/uploads/realistic-eyeball-3d-sculpted-iris-texture-shader-front.jpg)
![Realistic 3D Eyeball with Sculpted Iris Shader in Marmoset Toolbag Side View by Roy Nottage](https://royzy.com/wp-content/uploads/realistic-eyeball-3d-sculpted-iris-texture-shader-side.jpg)
![Realistic 3D Eyeball with Sculpted Iris in Zbrush by Roy Nottage](https://royzy.com/wp-content/uploads/realistic-eyeball-3d-zbrush-sculpted-iris.jpg)
The workflow is based on the process for eyes by Peter Zoppi. But also using suggestions made by Saurabh Jethani, Vadim Sorici and Alfred Roettinger in their articles.