Tree like structure

Hello all,

As you can see the pipe width is constant all along.
I need the supports to be thicker and taper towards the top.
something like this


How will this be achieved.
Attaching the file alongwith.

Thank you for your time

AryaCube_Steiner_Mesh topology (89.0 KB)
tree like.3dm (13.6 MB)

Arya, with the fattener and weaverbird plugins you can make something like this with very few components: (18.6 KB)