antialias

The attached zip has two pngs with transparent backgrounds, and a patch that has the pngs wrapped on spheres that are transparent to each other. Can't sort out how to get the smaller sphere inside the larger.

nested-spheres-transparent-to-each-other

you need to use the @layer attribute for ordering.

the outer sphere back-faceing shape (@cull_face 2) should be drawn first (@layer 1)

followed by the inner sphere @cull_face 2 - @layer 2

followed by the inner sphere @cull_face 1 - @layer 3

followed by outer sphere @cull_face 1 - @layer 4

the outer sphere back-faceing shape (@cull_face 2) should be drawn first (@layer 1)
followed by the inner sphere @cull_face 2 - @layer 2
followed by the inner sphere @cull_face 1 - @layer 3
followed by outer sphere @cull_face 1 - @layer 4


Nested spheres transparent to each other