A close view of the front platforms:

https://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=3470664611

Updated PU cost from 174 PU to the new update (v0.1) which makes it 87 PU.

I originally used two signals per platform and I had to add some extra buildings to decode the single signal, so, it's possible to lower the buildings count some by switching back to the two signals version... but, with the wire system being a little finicky it's better as one signal per platform.

Also, I thought it'd be fun to have it run the logic engine only when the ROS#0 or ROS#1 shape signal changed, and then shutdown and wait until it changes again. However, doing only one run thru was trouble because sometimes, for no apparent reason, signals wouldn't go thru. Even after I lengthened the time they'd stay on to quite a while. So, I just pulled all that stuff and let it re-run infinitely.

This is a new design with some similarities to my old MAM It reduces all logic, and pretty much everything else, nearly as much as it can with a focus on lower Platform Units (PU) cost and lower buildings count.

The logic engine sends all platform signals to the same Global Transmitter on the same channel and each platform has only a single Global Receiver. It tests each signal to find the one meant for itself and lets that thru. The one signal tells it everything it needs to know from the logic engine, like, which shapes to input, whether to pin-push shape inputs, whether to paint and what the mix recipe is,...

Small note... I tried to make the paired stacker groups look like right-arrows pointing along the path of the shapes output. I hope I succeeded because that one thing, which was fun at first, became quite the challenge later on as I had to redo things, repeatedly. :)

View the rest of it, a total of 1360 PU and 26.6k buildings, in the following additional screenshots:

a wide view of an active working version:
* selected to show stats
* without selection highlight

a closer view with the components placed near each other:
* selected to show stats
* without selection highlight

From top to bottom:
* input filter
* pin-pushers with bypass
* painters with bypass
* dynamic mixers
* swap-or-cut phases 1 and 2
* stackers with bypass

Shapes are pure whole shapes, each kind of shape has 1x12 for each platform.