So this is basically the pov-csg`which is puzzling me: the sphere with radius 4
produces a disproportionally large cylinder compared to the radius 3:
http://home.ooijer.com/povray-conesphereradius3.jpg
http://home.ooijer.com/povray-conesphereradius4.jpg
please note that I didn't change the coordinats of the objects, nor those of the
camera. Yet somehow the sphere seems to swell up enormously, pushing both the
cone and the camera away.
Whe I increaese the sphere's diameter by increments of 0.1 (from 3.0 to 4.5) it
works normally , it's just when I jump from 3 to 4 that this occurs.
This is with v3.62.

#declare FancyPlaycone = object{
//difference{
union{
 cone
 {
  <6,0,0>, 0, <0,0,0>, 4
  //color {Glass}
  pigment{color Red}
  hollow
 }
 /*cone
 {
  <0, 0,-15>, 3, <-2 ,0.0,5>, 3.5
                pigment{color Red}
 }*/
 sphere
 {
         <-3,0,-2>,4
                pigment{color Red}
 }
}
}

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