![Realistic Eye Modeling for 3D Characters 014 Realistic Eye Modeling for 3D Characters 014 Realistic 3D Eye Modeling Using Maya](http://www.buildtutorial.com/wp-content/uploads/2010/03/Realistic-Eye-Modeling-for-3D-Characters-014.jpg)
The importance of the eyes is exactly this: give life to your character. Therefore, don’t underestimate this very important step of CG character construction… if not, you’ve only created “puppets”
There is a quite big camber in the cornea, in the iris area. That irregularity, that all of us have, can become a great problem for a CG character. When rotating the eye, this area unfortunately would invade the eyelids faces, causing strange results. For that reason, I decreased this camber to avoid a probable future problem.
Step 1. Create a sphere with few segments (in this case, 8):
![Realistic Eye Modeling for 3D Characters 001 Realistic Eye Modeling for 3D Characters 001 Realistic 3D Eye Modeling Using Maya](http://www.buildtutorial.com/wp-content/uploads/2010/03/Realistic-Eye-Modeling-for-3D-Characters-001.gif)
Step 2. If you prefer, delete the half and use a NURMS/Symmetry (MAX) or CPS Script (MAYA):
![Realistic Eye Modeling for 3D Characters 002 Realistic Eye Modeling for 3D Characters 002 Realistic 3D Eye Modeling Using Maya](http://www.buildtutorial.com/wp-content/uploads/2010/03/Realistic-Eye-Modeling-for-3D-Characters-002.jpg)
Step 3. Here, we see the approximate size proportion of the iris in relation to the eye. It occupies an area a little larger than 2/4 of the height but not 1/3. Create 2 new loops according to the indications in red, exactly where the iris borders will be:
![Realistic Eye Modeling for 3D Characters 003 Realistic Eye Modeling for 3D Characters 003 Realistic 3D Eye Modeling Using Maya](http://www.buildtutorial.com/wp-content/uploads/2010/03/Realistic-Eye-Modeling-for-3D-Characters-003.jpg)
Step 4. Here, the perspective view, after a small polygon “relax”:
![Realistic Eye Modeling for 3D Characters 004 Realistic Eye Modeling for 3D Characters 004 Realistic 3D Eye Modeling Using Maya](http://www.buildtutorial.com/wp-content/uploads/2010/03/Realistic-Eye-Modeling-for-3D-Characters-004.jpg)
Step 5. Model the small camber until getting a close result of this (side view):
![Realistic Eye Modeling for 3D Characters 005 Realistic Eye Modeling for 3D Characters 005 Realistic 3D Eye Modeling Using Maya](http://www.buildtutorial.com/wp-content/uploads/2010/03/Realistic-Eye-Modeling-for-3D-Characters-005.jpg)
Step 6. We will transform the extremity triangles…
![Realistic Eye Modeling for 3D Characters 006 Realistic Eye Modeling for 3D Characters 006 Realistic 3D Eye Modeling Using Maya](http://www.buildtutorial.com/wp-content/uploads/2010/03/Realistic-Eye-Modeling-for-3D-Characters-006.jpg)
Step 7. …in quads, cutting the mesh this way:
![Realistic Eye Modeling for 3D Characters 007 Realistic Eye Modeling for 3D Characters 007 Realistic 3D Eye Modeling Using Maya](http://www.buildtutorial.com/wp-content/uploads/2010/03/Realistic-Eye-Modeling-for-3D-Characters-007.jpg)
Step 8. SubD wire version…
![Realistic Eye Modeling for 3D Characters 008 Realistic Eye Modeling for 3D Characters 008 Realistic 3D Eye Modeling Using Maya](http://www.buildtutorial.com/wp-content/uploads/2010/03/Realistic-Eye-Modeling-for-3D-Characters-008.jpg)
Step 9. …shade mode. Observe that the camber is minimum, different than it happens in the real eye:
![Realistic Eye Modeling for 3D Characters 009 Realistic Eye Modeling for 3D Characters 009 Realistic 3D Eye Modeling Using Maya](http://www.buildtutorial.com/wp-content/uploads/2010/03/Realistic-Eye-Modeling-for-3D-Characters-009.jpg)
Step 10. Here are the initial proportions maintained after the completion of the first part, the cornea:
![Realistic Eye Modeling for 3D Characters 010 Realistic Eye Modeling for 3D Characters 010 Realistic 3D Eye Modeling Using Maya](http://www.buildtutorial.com/wp-content/uploads/2010/03/Realistic-Eye-Modeling-for-3D-Characters-010.jpg)
Step 11. Duplicate this model and transform it in the second one: the iris, pupil and white of the eye. For that, you will flatten the camber almost completely in the previous piece. Select the edge ring in red…
![Realistic Eye Modeling for 3D Characters 011 Realistic Eye Modeling for 3D Characters 011 Realistic 3D Eye Modeling Using Maya](http://www.buildtutorial.com/wp-content/uploads/2010/03/Realistic-Eye-Modeling-for-3D-Characters-011.jpg)
Step 12. …connect and create a new edge loop like this:
![Realistic Eye Modeling for 3D Characters 012 Realistic Eye Modeling for 3D Characters 012 Realistic 3D Eye Modeling Using Maya](http://www.buildtutorial.com/wp-content/uploads/2010/03/Realistic-Eye-Modeling-for-3D-Characters-012.jpg)
![Realistic Eye Modeling for 3D Characters 013 Realistic Eye Modeling for 3D Characters 013 Realistic 3D Eye Modeling Using Maya](http://www.buildtutorial.com/wp-content/uploads/2010/03/Realistic-Eye-Modeling-for-3D-Characters-013.jpg)
Step 14. Here is the perspectvie view (the iris is ALMOST flat, but it has an area slightly deepened):
![Realistic Eye Modeling for 3D Characters 014 Realistic Eye Modeling for 3D Characters 014 Realistic 3D Eye Modeling Using Maya](http://www.buildtutorial.com/wp-content/uploads/2010/03/Realistic-Eye-Modeling-for-3D-Characters-014.jpg)
Step 15. Here, the two pieces in the side view, wire/SubD:
![Realistic Eye Modeling for 3D Characters 015 Realistic Eye Modeling for 3D Characters 015 Realistic 3D Eye Modeling Using Maya](http://www.buildtutorial.com/wp-content/uploads/2010/03/Realistic-Eye-Modeling-for-3D-Characters-015.jpg)
Step 16. And here, in perspective view:
![Realistic Eye Modeling for 3D Characters 016 Realistic Eye Modeling for 3D Characters 016 Realistic 3D Eye Modeling Using Maya](http://www.buildtutorial.com/wp-content/uploads/2010/03/Realistic-Eye-Modeling-for-3D-Characters-016.jpg)
Step 17. To make the cornea shader, use the configurations posted left (MAYA) or approximate this result using MAX. Clue: for specular, choose the white color however, force to use 2 times whiter (adjusting V from HSV for 2, for instance). Use a low reflection value(0.037, in MAYA) and 1.2 value for raytrace/refraction :
![Realistic Eye Modeling for 3D Characters 017 Realistic Eye Modeling for 3D Characters 017 Realistic 3D Eye Modeling Using Maya](http://www.buildtutorial.com/wp-content/uploads/2010/03/Realistic-Eye-Modeling-for-3D-Characters-017.jpg)
Step 18. For the other piece, modeled last, use the texture that you made using my other tutorial and a very low especular level and very “open” highlight (almost opaque). Use planar/frontal map for this texture:
![Realistic Eye Modeling for 3D Characters 018 Realistic Eye Modeling for 3D Characters 018 Realistic 3D Eye Modeling Using Maya](http://www.buildtutorial.com/wp-content/uploads/2010/03/Realistic-Eye-Modeling-for-3D-Characters-018.jpg)
Step 19. If you want to include some volume in the veins, hide all iris layers, change image to grayscale mode (or desaturate) and use this image as the bump map:
![Realistic Eye Modeling for 3D Characters 019 Realistic Eye Modeling for 3D Characters 019 Realistic 3D Eye Modeling Using Maya](http://www.buildtutorial.com/wp-content/uploads/2010/03/Realistic-Eye-Modeling-for-3D-Characters-019.jpg)
![Realistic Eye Modeling for 3D Characters 020 Realistic Eye Modeling for 3D Characters 020 Realistic 3D Eye Modeling Using Maya](http://www.buildtutorial.com/wp-content/uploads/2010/03/Realistic-Eye-Modeling-for-3D-Characters-020.jpg)
Step 21. Here is the “final” version:
![Realistic Eye Modeling for 3D Characters 021 Realistic Eye Modeling for 3D Characters 021 Realistic 3D Eye Modeling Using Maya](http://www.buildtutorial.com/wp-content/uploads/2010/03/Realistic-Eye-Modeling-for-3D-Characters-021.jpg)
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