under fallout4Custom.ini add

[Workshop]

bInfiniteItems=0

this allows for infinite building without the cost of mats

enjoy

but does it change the build limit? or is this just for free materials only?

Nice. Will mess about with this - this weekend.

all u need is base amount of mats say a bed needs 6 cloth all u need is 6 cloth in workshop and u can drop down like 1000s of beds.

is there a console command to change the build limit? because that would be nice to have.

Yeah. Check the wiki.

How do you get this to work? I added it to the .ini file but can't tell if it works.