due to the large size and the potential for adhesion issues and warping use a wider extrusion width than default. the top surface will look a little coarse but not unlike a fabric which is what the original object is made of anyway.
i went with 0.8 mm line width. this ensures good squish and good adhesion in the first layer and also shortens the print time significantly by reducing the number of passes overall.
use a higher temperature than normal due to the larger volumetric rate of plastic that needs to be melted.
for the same reason the flow factor percentage may also need to be bumped by 5% or so.