10 inch Rack Shelf Universal

only normal size can mount 120mm fanif you put switch wider than standard 10 inch (around 220mm) switch will place deeper than 20mm, you need to put screw in 120mm fan hole to lock switch in place120mm fan screw or M4 longer than 6mm is ok (i print M4 screw to use)Small Size small size long 130mmi never print this size but i think 3 wall, 20-25% infill might be okNormal Sizenormal size long 160mmmy bed size is smaller than model so i print vertical 45 degreei print both model with ESUN PLA+ on default slicer setting 2 wall, 15% infill