Subject: Re: 3d sea-shell
Date: Mon, 30 May 1994 16:01:46 -0700 (PDT)
From: Jeremy White <jwhite@efn.org>

On Mon, 30 May 1994, PC386 studenti n.2 wrote:

> /      Hello evrywhere,
> ||              can anybody explain me how make 3d sea-shell in Imagine?


This is how I made a 3-d snail shell.

1.)  Create a spiral path
     a.)  Add an axis with a point in the x direction.
                 z
                 |
                 y---x                    . <-point
     b.)  Extrude to a VERY small distance along the y axis, while 
          scaling up and rotating several multiples of 360 degrees.
     
          This should give you a spiral path, try playing around with how 
          much you scale and rotate the extrusion.

3.)  Create an extude template
     a.)  Create a disk primative
     b.)  Delete the center point.
 
      (I also made an edge flat, so that I could overlap the shell rings 
       better.)

     c.)  Make sure that the y-axis is pointing up through the disk (x 
       and z to the sides of the disk)

4.)  Extrude the disk along the path (1) (Scale it bigger through the 
          extrusion if you desire this effect.)

-Jeremy White



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