ziconic
So I eventually figured out a way, but it's kinda obscure.
Apparently the SOP Solver can be set up to input AND output multiple data objects by enabling "Invoke Compiled Block". Turns out a compiled SOP network can have multiple outputs. Who knew?
Maybe will be usefull.
https://forums.odforce.net/topic/41242-vellum-animated-pin-to-target/ [forums.odforce.net]
https://realtimevfx.com/t/pixelperfect-sketch-25-root/9816/12 [realtimevfx.com]