Does anyone have an example of a gift (something like a rounded box with 
a ribbon) that they're willing to part with?

Cheers!
Rick

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Very much a work in progress, but:

// Persistence of Vision Ray Tracer Scene Description File
// File: ?.pov
// Vers: 3.5
// Desc: Checkered Floor Example
// Date: mm/dd/yy
// Auth: ?
//

#version 3.5;

camera {
  location  <2, 4, -4>
  look_at 0
}

light_source {<30, 30, -30> color rgb 1}
light_source {<-30, 30, 30> color rgb 1}

plane {y, -0.01
  pigment {checker rgb 1 rgb 0}
}



#declare RibbonWidth = 0.1 ;

#declare Ribbon =
  box {x*-RibbonWidth/2, x*RibbonWidth/2+z} ;

#declare FourRibbons =
  union {
    object {Ribbon}
    object {Ribbon translate y}
    object {Ribbon rotate -90*x}
    object {Ribbon rotate -90*x translate z}

  } ;

#declare AllRibbons =
union {
  object {FourRibbons}
  object {FourRibbons translate -y/2 rotate 90*z translate y/2}
  object {FourRibbons translate -z/2 rotate 90*y translate z/2}
  translate -0.5*<0,1,1>
  scale 1.001
  translate 0.5*<0,1,1>
} ;

box {0,1 translate -0.5*x pigment {rgb y} finish {phong 1}}
object {AllRibbons texture {pigment {rgb x}} finish {reflection 0.5}}

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