I remember some movie around 10+ years ago with trucks and cars that had
tires that were probably like that (as well as other weapons too!)

All I can say is if one of those blow out, watch out!!!

Cman

--


Mike wrote in message <36E4E6ED.96CBA0A5@aol.com>...
>If you're going to be out in the desert, you want something to give you
>more traction on the dunes (and any hostiles you may encounter). :)
>
>camera {location <0, 4, -10> look_at <0, 2, 2>}
>
>light_source {<10, 15, -30> color White}
>
>background {color White}
>
>#declare evil_tire =
>
>difference {
>
>union {
>superellipsoid {<1, .3>
>rotate 90*x
>scale <2, 1, 2>
>pigment {color rgb <.1, .1, .1>}
>finish {phong .5 phong_size 30 ambient 0 diffuse .8}
>normal {gradient y scallop_wave bump_size 1 scale .3}
>}
>
>
>
>#declare tread = union {
>
>#declare this = 0
>#while (this < 360)
>
>cone {<1, 0, 0>, .2, <3, 0, 0>, 0
>rotate <0, this, 0>
>}
>
>#declare this = this + 22.5
>#end
>}
>
>#declare that = 0
>#while (that < 1.5)
>object {tread
>rotate that*15*y
>translate (-.7+that)*y
>pigment {color rgb <.5, .5, .5>}
>finish {ambient 0 phong 1 phong_size 20}
>}
>#declare that = that + .2
>#end
>
>
>}
>cylinder {<0, -3, 0>, <0, 3, 0>, 1.5}
>
>pigment {color White}
>finish {phong 1 phong_size 20 diffuse .6 ambient .1}
>}
>
>object {evil_tire}
>
>object {evil_tire rotate <90, -30, 0> translate <-6, 3, 5>}
>
>object {evil_tire rotate <90, 40, 0> translate <5, 4, 3>}
>
>object {evil_tire rotate <90, 60, 0> translate <-2, 2, 6>}

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