Cooling Fan: 30% power after 1.5mm have been printed.
You might want a piece of 6mm carbon tube to stiffen up the airframe, there's a slot to insert it, but at this size, it might not be required.
Total Printed weight I estimate to be ~360 grams, and total weight with all electronics and battery to be around 560 grams.
If you are a Cessna Plane lover, If you or your kids want to have fun flying RC Planes in Parks, double your picnics fun, then you gotta get yourself one or two of these mini Cessna RC Planes