A summoner of spirits.
Designed to fit a 36mm diameter lens.
Looks rather good with some paint or ink set in the "etched" design.
The bottom pegs have holes in them that are intended for thumb tacks. This will help the planchette glide better on most surfaces.
Print with the lettering face down. This works best with a heated bed and a normal-sized first layer. Any "elephants foot" effect will degrade the details on the surface, and make it more difficult to insert a lens.
Insert a 36mm diameter lens.
Insert a thumb tack into the hole in each of the 3 legs.