You can buy this model with paypal, click this for more imformation.
My recent work. 
Intro:
In about 2006, I know that this kind of method (From a cger named ChenDaGang) to accomplish such a model, I spent a lot of the time but I did not achieve the desired effect (Curve adjustment, surface creation,etc.) , that made it impossible for me to go on.
Two weeks ago, I have time enough to do the work, Now I know that sort of work wants a lot of patience. And I am still working on it.
Chief method:
Draw the section curves, and then use loft to create the initial surface.[You can see the post modeling a human ear (by rubencito)]
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T-Splines Work-in-progress 9B is now available for T-Splines 2.0 for Rhino. New features include T-Splines primitives and a new subdivide face command, as well as numerous bug fixes. Download now to participate in the testing. Watch 5-minute video.
A brief tutorial by Thomas Anagnostou (Many useful scripts can be downloaded from his website.)
Usage:
1. Save the script *.rvb file to a directory. For example: “C:\Program Files\Rhinoceros 3.0\Scripts\GearGen.rvb”
2. Create a new alias (e.g. GearGen) with a macro. Example: !_-loadscript “C:\………….\gearGen.rvb”
(Include dash and underscore. Replace the dots with your own directory path. Use double quotes for the path)
3. To run the script, type the alias name in the command line.
Url:
Rhino Wiki
Summary:
Demonstrates how to create Archimedean Spirals using RhinoScript. (Rhino 4.0)
Answer:
In polar coordinates (r, Θ), an Archimedean Spiral can be described by the following equation:
r = a + bΘ
with real numbers a and b. Changing the parameter a will turn the spiral, while b controls the distance between successive turnings.
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Grasshopper 0.5.0050 is now available for download from:
http://download.rhino3d.com/download_rel.asp?rel=400
This is quite a major new release (it’s been 3 months after all) which undoubtedly has many fresh bugs.
For more information
