Click to enlarge image.
Photo of Webmaster's model in progress.
You may want to improve the look of these vents using some of the tips in the Cowl Vent section of the Vent Overview including the seams and handles.
These were slightly shorter than the part in the kit. Trim them down to match the proportions opposite.
Glue as instructed.
Note: All instruction step numbers in () denote the instruction step for the rereleased Mincraft model.