Poor ol' K-OS has taken a long time to learn about cat flaps. It generally takes him 10+ minutes of faffing around before he manages to make it through.
More about the K-OS (aka Sneaky Cat) and D-Struction (aka Friendly Cat):
K-OS (aka Sneaky Cat) and D-Struction (aka Friendly Cat), https://github.com/MooseValley/K-OS-a...
About Me:
https://github.com/MooseValley/Moose-...