Probably you were thinking of "Knapp joints" (cove and pin) which had a currency of a decade or so (their presence is used to date furniture), but which were re

Probably you were thinking of "Knapp joints" (cove and pin) which had a currency of a decade or so (their presence is used to date furniture), but which were replaced by machine cut dovetails. A CNC router affords a lot of new possibilities, e.g., this box which has an integrated lid: https://community.carbide3d.com/t/as-funny-as-a-3-dollar-box/43013/18 https://community.carbide3d.com/t/as-funny-as-a-3-dollar-box...