Cooling fan performance test

White PLA as supplied with Tevo Tarantula i3 printer.
Temperature setting:
layer 1 - 235C - fan off (raft)
layer 2 - 232C - fan off (raft)
layer 3 - 229C- fan 25% (raft)
layer 4 - 225C- fan 100% (print)
extrusion multiplier: 0.96
nozzle : 0.4mm
print speed : 50mm/s
top and bottom layers: 5
inside and outside shells: 3