Multi-angle Ultra-thin Folding Bracket

厚度只有4mm的多角度便携折叠支架，无需其他五金件，只需要少量1.75mm的耗材丝插入就可以完成组装。 The folding bracket with a thickness of only 4mm does not require any other hardware components, and can be assembled by inserting a small amount of 1.75mm consumable wire