i am trying to create a 3d model of a bone marrow, that is composed mainly of a lot of random tubes, creating a volume. Like this:[![enter image description here][1]][1]


I found a 3d scan from some bones, and thougt i could save a lot of work just cleaning them up, but i cant find the way to leave them on a constant thicknes and rounded, the best i can achieve is this ugly thing:[![enter image description here][2]][2]


any idea of how it can be done?
thank you in advance!


Edit: Done!
after a good time playing with it, i got something i like with the Sverchok addon. I leave a screen of the render (just need a better texture for it to be ready)  =)
[![enter image description here][3]][3]


  [1]: https://i.sstatic.net/JIkY3.jpg
 
  [3]: https://i.sstatic.net/5Rz64.jpg