IKEA have a cheap lazy Susan too, two pieces of pressed steel with 1/8” ball bearings in a circular groove maybe 150 diameter. Can’t recall what was on top - I think it was just a wooden disk and was under $10.
Bought one many years ago and fashioned it into the azimuth bearing of a compact mount. The fork arms were made from laminated wooden shelf brackets ... their L shape had a rather obvious alternative use.
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