Saeko_Kaburagi
The blueprints for weapons, vehicles and solar panels and wind turbines is good though she should try to get some methods to detect Grimm as well. Motion sensors, radio and cctv cameras to keep a lookout for Grimm in the settlements and she could probably buy the designs for an older unused radar system from a museum or company since it’s been around for a while to keep lookout for swarms of flying Grimm. She does also get blueprints from takings things apart so as long as it’s small and cheap enough she could just buy a small batch of items to reverse engineer for the blueprint She could try to get the blueprints for buildings as well, a nuclear bunker is designed as a hardened facility so larger towns with this could survive if overwhelmed by a Grimm swarm till the branwen clan bails them out, a hydroponics facility to ensure the clan never run low on food. Another option is given that mistal the kingdom on the continent the branwen clan operates on and the branwen clan seem to have an Asian theme she could get the designs for Japanese castles to really lean into the whole clan angle.