About this 3D model

Turning Dado changes the airflow angle Fits any 80mm, 92mm 120mm, 140mm PC fan Video: https://www.youtube.com/watch?v=uD2vHHnfa2A How to slice: https://www.youtube.com/watch?v=9SbpQj1s48o Download pre-sliced print files (gcodes) for your printer here: http://www.river.family/ Layer height: 0.3mmInfill line width: 0.6mmNumber of walls (perimeters): 0Top layers: 0Bottom layers: 0Infill density: 21%Infill pattern: gridInfill direction: 90° Any feedback is much appreciated, thank you! :)