What's this kind of joint called?

tab and slot joint   Dan tab and slot welding table

Slots - like those found in 3D puzzles or partitions in trays, somewhat similar to a traditional halved joint or dado Tabs

In this method, a set of tabs and a corresponding set of slots are fabricated in the core, the set of tab are intermeshed with the corresponding A 3D Cutting Method for Integral 1DOF Multiple-Tab-and-Slot Joints for Timber Plates, using 5-axis CNC Cutting Technology

akun demo slot Tab and Slot joints are when you use tabs and slots together to join two pieces of cardboard together Instead of inserting two slots to line up When a tab or slot is added to a part, the stress flow is disrupted These can lead to large stress concentrations Tabs and slot joints should