The item presented here is carved out of wood, and is about eight inches across and about an inch thick. As far as I am aware, these are no longer in use, and I somehow doubt that even in their heyday, these were in high demand in the average household.
|Although this all but gives it away, here is the reverse side. The patterned side alone gives an inadequate sense of this as a 3-dimensional object.|
Maybe you’ve seen one of these, and know what it is, otherwise please take your best guess.
(Mystery object and photo property of the author.)