APM Pitot Tube Cover

As the title says, its an APM/PX4/Pixhawk pitot tube cover. I designed this for two reasons; 1) Easy calibration 2) Protection during transport. It covers 55mm of pitot tube, which seems to be enough for most pitot tubes protruding from a wing or nose. This probably wont work well when externally mounted with a bracket, as it is designed for the first 1cm or so to be encased in an airframe, glue, etc. I almost made a flange for it so it would butt up perfect against my airframe, but then realiz