When your are missing your 3D Windows, there are different ways to recreate it:

  • Reset CAESES to factory settings. Therefor go to file/settings: 
  • If this did not worked you can try to remove the stored configuration data in following folders:
    • Windows: %APPDATA/friendship/etc%
    • Linux: ~.friendship/etc
  • you can first look if you just closed it and if you can not find it you can easily create a new one: