When embarking on a DIY project, selecting the right materials is crucial to ensure both functionality and aesthetics. One popular choice among DIY enthusiasts is the 20 x 20 aluminum extrusion. This versatile material is used in various applications, from building frames to creating custom furniture. In this article, we will explore how to choose the right 20 x 20 aluminum extrusion for your needs, covering aspects such as types, applications, assembly techniques, and more.