Hi flatheadwifi,
Yes, like Nic says, we had a big problem with one particular cat which seemed to be able to shape shift like an amoeba and get to the hogs dinner no matter what we tried. The camera always seemed to capture it leaving with a smug grin on its face and dinner dripping off its chin; it just about drove me insane! Water troughs around the entrance worked to some extent, but the patio was starting to look more and more like an assault course. We built this mark 3 version last June and as far as we know there have been no break-ins as of yet. It was very easy to build out of pre-cut lengths of timber and a sheet of marine ply. The main section doesn’t have a floor, just because it’s easier to keep clean, but you could always add one if your hogs are suitably toilet trained. The entrance holes are very small which is the key to its success, but even the larger hogs can squeeze through.
And here is the ninja cat itself…
Good luck. 🙂
