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I'd like to obtain a figure like the image below, with transparent (maybe white) background but for a torus surface.

I'm checking Google for hours but no success. Any idea where to look for?

In resume: I'd like a sphere and a solid torus with the same size (the same bounding box) and the same texture (not necessary the same colors as below) and white/transparent background. Also it could be nice if the view point shows the hole of the torus.

enter image description here

ps: I found (very pretty) this one (striped version) but the background is not white and it is not solid.

enter image description here

  • Why not make your own? Or commission somebody. – joojaa Oct 10 '14 at 3:50
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    The second image is composed by Villarceau circles. You can find some nice examples here with POV-Ray sources too. You can edit the sources, remove the backgound and render a new image. – Paolo Gibellini Oct 10 '14 at 5:25
  • @PaoloGibellini seems to me they are torus knots instead of Villarceau circles. Because thet wrap around poles. – joojaa Oct 10 '14 at 13:57
  • @joojaa, sorry but I have no idea how to do that. I don't work with design and so I only need some reference to look for the figure. I'll use it on a math talk. I could use another figure but I'd like both with the same texture. – Sigur Oct 10 '14 at 13:58
  • Yes, they are knot torus. But it is only an example. If the torus is solid, it would be better. I'd like both surfaces with the same texture. I'll use on a talk. – Sigur Oct 10 '14 at 13:59

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