This mod make schematics craftable.
It adds a new material "Knowledge" witch you can loot and use to craft schematics you haven't the luck to find.
Knowsledge is kind of rare, so you wan't be able to craft all schmatics to soon.
Loot Knowledge form bookcases, mail boxes, and trash.
maybe someone has a use for it
You can get it here.
https://www.nexusmods.com/7daystodie/mods/1818