Prusa MK3 low noise fan shroud (40° angle)

I discovered that the suction of the hotend cooling fan cools down the left side of the heated bed. I measured differences of about 5 °C between the left and right side. Also I don't like that the angled part cooling fan sucks in more warm air from the heated bed.

The existing fan shrouds (I linked as a remix source) didn't satisfy my needs. For example they restrict the airflow too much, which results in noise. Also weight was a factor as I want the extruder as light as possible (yes it's ve