This was the first one I did for Charlie in the Barney cage. In this instance the house was resting on the edge of the cage base at two sides - the back and one side - so I only glued legs at the front and part way along the other side (so it didn't get fouled up on the curved base). This worked really well - as you can see, the dowels extend up the front of the house but I think look ok. So no glue chewable as it's all above the leg level (ie on the front of the house) and gave added strength to the legs as they were glued to a larger surface area.
Charlie did partially chew through one of the dowel legs! So you do need to keep an eye on things. It still wouldn't have fallen over as supported on the other three sides. And even though he chewed it, he could only chew wood - no glue on the actual legs themselves.
For other hamsters I didn't have the house as high as sitting on the cage base so had legs at the front and two sides with slightly shorter leg at one side where it rested on the curved base.
These were actually much better than the rodipet ones (linked below) - they are ok but due to the slot on design, part of the legs protrudes inside the house and that seems to annoy some hamsters! And makes placement difficult - eg you don't want a leg protruding in the toilet compartment or the toilet won't fit - or in the nesting compartment as they find it annoying and gnaw at it.
They're also much harder to cut if you don't want them quite so long - takes a proper saw!
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As you can see, the house could stand up on it's own even with three legs
. Two at the front and one at the side and with substrate around that keeps it stable as well - it can't subside.
It looks like rodipet have stopped selling the legs/stilts that go with their houses. Can't see them on the website any more. But they looked like this - this pet shop is selling them at an extortionate price!
Rodipet(R) Set of 4 Stilts, 6mm to fit Davinci line of house
– SgPetstop