I tried to render the edges of the 2 circles and the sides of a cylinder.
I tried to combine renderOutline and enableEdgeRendering (Is there maybe a better solution to this?)
https://playground.babylonjs.com/#GWFMWD#2
However, when I make the Color of renderOutline and enableEdgeRendering the same the second half of the top circle isnt drawn anymore:
https://playground.babylonjs.com/#GWFMWD#3
From above and bottom, the rendering works as expected :