Why do your secondary entities have associated items at all? Surely you should just be creating the entity and not the item? @Xorimuth, thank you for the reply. I am using entities that connect to the network(s) (both power and circuit) and it seems that blueprinting and cut-and-paste require items...

@robot256, Thanks for the quick response. I looked a bit at the source code you pointed out and it seems to me that this is mostly accomplished by not associating an item with an entity. If there is no item, then the pipette has nothing to pick up. That would work for me, however, I am using entitie...

(long time reader, first time caller) I am putting together a mod that uses an entity that is composed of a "base" entity and a number of "child" entities that are created and manipulated when the base entity changes. Took a bit but at this point, things work (blueprinting, shift...