These are user submitted 3d printer files for use with NavQPlus and NXPHoverGames, NXPRoverGames, NXP-CUP or other. Note you may also find 3D printer files in other NXP Gitbooks, and by searhing Thingiverse or other 3d printer file repositories with some of the name above.
I designed and 3D printed a mounting plate for the NavQPlus for the quadcopter.
. https://www.thingiverse.com/thing:5742189