Diagram: Copper plate
The Witcher 3 Remastered Crafting Diagram

Diagram: Copper plate is a crafting diagram in The Witcher 3 Remastered, added in the Blood and Wine expansion. It makes Copper plate. An Amateur craftsman or better forges it for 60 crowns.

It takes 2 Copper ingot. The crafting diagram itself has a base price of 12 crowns.