We can skip right to the last step that needs to be done!
This .gif shows 2 (should be 2-3) components getting shot out of the top at each needle poke.
This is the very very last step that needs to be done and with a bit of assistance, I’m sure, we can grill this one. Note that the ciphers always face the actor location (which is a fixed immovable camera in this level.).
So pathways for this cyphers are needed - synchronized with each needle poke from the timeline. Hmm. If you got something, please surprise me. 