@jayrtfm @CorsIAQ The simplest design is just a box fan with a 5" filter strapped to it with rubber bands or tape. Works about as well as the cubes and much easier to assemble. But it sounds like you have something more exotic in mind. Enjoy the build!
@jayrtfm @CorsIAQ 最简单的设计只是一个带有 5" 过滤器的箱式风扇，上面用橡皮筋或胶带绑在上面。效果和立方体一样好，而且更容易组装。但听起来你脑子里有一些更奇特的东西. 享受构建！