If you look at something like an AmazonBasics wall mount monitor arm, and compare it to an Ergotron, you'll notice every single part is the exact same shape. Am

If you look at something like an AmazonBasics wall mount monitor arm, and compare it to an Ergotron, you'll notice every single part is the exact same shape. AmazonBasics products often seem like someone ran the well-known product through a 3D scanner and then started printing replicas with the Amazon logo on them.