This mod is a very simple one. It simply adds a button next to the "Save Plane" button which allows you to open the data folder for all plane design files.
- Ensure a proper Bepinex install, run the game once to create all folders.
- Download the mod, paste the .dll file into the
C:\Program Files (x86)\Steam\steamapps\common\Aviassembly\BepInEx\pluginsfolder. - Launch the game and the button shall appear.