I raised the height to 4". My support ring has a smooth end facing down (to the floor) and I left the top of the ring with the spiked portion (Pins Up) to keep the containers from sliding around. If you make the ring a bit smaller than the bottom of the watering tray or food dish; it fits nicely under the units. The reason I leave the spiked prongs up (not cut off) is to grab the surface of the trays and keep them from moving side to side or become tilted. A level watering unit will not empty if positioned correctly.
The other way I managed the food and watering units (glass mason jars screwed into a plastic base) was to use the 2" covers from my blank Computer CD Discs. I put the open side down, and on the top; flat portion, I placed some rubber like mat used in a kitchen drawer or shelves. The mat material grabs the surface and keeps anything that comes in contact with it; stuck to its surface.
Yes, pics please! I am not able to visualize anything you've described so far in your posts, sounds like I am not the only one. I love seeing other's ingenuity, a couple of photos would really help!
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