Layer height .2mm
infill layer height .2mm
number of shells 2
roof thickness .80mm
floor thickness .80mm
coarseness .00010
Travel speed 100mm
Temp 212
Bed 55*
layer height .2
infill 90mm/s
infill 100%

The floor layer is nice and smooth and the roof is crap. Really rough and grainy but the settings are the same for both floor and roof. Any ideas on what I can change?