Holder for web cameras with VESA (50mm and 75mm) mount screw holes. Useful for putting a web camera that goes on top of the monitor on a monitor with small top bezel, so that screen isn't covered.In case of 75mm VESA mount minimal distance from top screw holes to the top of the monitor needs to be at least 110mm. In case of 55mm VESA it's 123mm.Minimal needed 3d printer bed size 210x210mm. No supports needed.