RC: Flysky Noble NB4 GoPro mount V2 is a mounting solution designed for the Flysky Noble NB4 remote controller to hold a GoPro camera. The model is provided in a separate type configuration, allowing for different mount geometries. 1-base is the foundation, while the user can choose between mount_V2-2 (octagonal shape) or mount_V2-3 (round shape) depending on their preference. The author suggests printing the two files separately. 1-base is intended for use with the selected mount file. 2-mount (octagonal) and 3-mount (round) are both compatible for installation. 1-base: Layer height 0.2mm, Infill 50%, No supports required. 2&3-mount: Layer height 0.2mm, Infill 100%, Supports required. M5 nut and M3 bolt.