this topic is related to this topic: Lag and rendering
select your construction (like selection for blueprints).
lock your construction: this means the construction made out of e.g. 100 elements will be converted into only one element(item) wich has to be loaded.
The locked construction can not be canged anymore but can be destroyed completely.
In this case it is recommended to blueprint the construction before locking it so it can be reloaded.
Would this be possible with plugins?
This will only make sense if memory (ram) can be safed and/or the performance will be enhanced by this.