👉 Underlapper is a type of object or material that is used as a base for other materials to create a more complex structure. It can also be a part of an overall design, serving as a foundation for other elements. For example: 1. A piece of furniture may have been designed with a underlapper in mind, where the surface is made from the same material and this element serves as a base for the rest of the structure. 2. In architecture, underlappers are used
