What does this pictogram mean?
Re: What does this pictogram mean?
A module is expected to go there to comply to the blueprint you used.
Koub - Please consider English is not my native language.
Re: What does this pictogram mean?
You should be able to hover over that icon to get an explanation, and you should also be able to hold right mouse button on that icon to remove it – in case you don't want the modules delivered to that assembling machine.