Circuit Board Necklace Hanger 3.0

This necklace hanger/pendant is designed to allow for efficient upcycling of circuit boards into jewelry.
Overall dimensions: 20mm wide, 30mm tall
Long version: 20mm wide, 40 mm tall
Will hold circuit board cut approx 16mm wide 23mm tall, or 16mm wide, 33mm tall

Other materials needed:
Circuit board
Dremel drill or hacksaw
Craft glue (NOT HOT GLUE)
Clear coat (such as Mod Podge)