I'm a student looking at microstructures. To render proper images I need to have solid objects (e.g. emulsion droplets).

Does anyone know how to create an object/mesh that is solid in the inside, instead of hollow?

In addition: how can I add color to the outside and another color to the volume of a solid mesh? For example: a sphere that has a yellow outside and filled with a green material.

Thanks in advance! Jantine.

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    $\begingroup$ Please specify what render engine you are using. If the outer faces of an Object have no thickness, then to the renderer they behave like a solid object. For example a sphere with no inner walls that uses a glass shader will render like a solid marble and not like a hollow glass sphere. $\endgroup$ – cegaton Apr 16 '18 at 10:54
  • $\begingroup$ I'm using cycles. For the material I'm using diffuse BSDF. I'm trying to make cross-sections of emulsion droplets, and the inside of the droplets should show up 'solid green' , with a yellow shell, to visualize what part of the droplet is used to make a cross-section. $\endgroup$ – Jantine Apr 16 '18 at 11:31
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    $\begingroup$ Please use the edit link at the bottom of your question (i.stack.imgur.com/lXFuK.png) and add that information as part of the question. $\endgroup$ – cegaton Apr 16 '18 at 12:42
  • $\begingroup$ blender.stackexchange.com/search?q=cross+section $\endgroup$ – cegaton Apr 16 '18 at 12:45
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    $\begingroup$ Possible duplicate of Can I "fill" an empty object? $\endgroup$ – Duarte Farrajota Ramos Apr 16 '18 at 17:21

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