Inspired by the show Murder Drones. Not an official GLITCH product * 
Different Ring diameters for finger sizes: 18-24mm 
 
Harware- available in Supples Section 
LED Core 
10x15x4 Bearing 
 
Printing- 
Print with screw parts facing up
Solver prints face down
Octagon should snap in, if not adjust horizontal expansion
PETG recommended PLA or ABS works too 
 
Instructions-
Insert a replaceable LED Core into the main apparatus with the led facing up away from the ring,
remove the stock led tab and insert the 3d printed one now,
Then screw in the top LED/bearing holder under "murder drone SCREW IN V2"
This holdsters the LED and the bearing pops in on top.
After this, solver symbol just snaps into the bearing