100 percent functional and working , print friendlyring size 8.5 [for resizing it messege me , will be done in minutes without any charges]

for opening you press a pin in the small hole on the left

all of the pieces can be printed and casted in one piece , just print the :chess pieces: file al together with a bottom plate.maybe if possible cast the one of the chess pieces set in gold or gold plate them so you can distingiush, weights and dimentions are all in the pictures .

18 round gems of size 1.4 mm on each side , total 72 gems of 1.4 mm