Stamping letter revolver for crypto metal washer wallet to emboss your seed phrase

This revolver is designed to allow you to emboss your seed phrase on washers using stamping letters.

Note:
Unfortunately, I haven't had the time to print this part yet. Therefore, it currently serves as inspiration. If someone chooses to print the part and provides feedback, I would, of course, be very grateful.

Material:

• Stamping letters 4 mm (Dimensions: 7x7x63 mm)
• Brass washer (37 mm outer, 20 mm inner, 3 mm thickness)

I chose brass because it is corrosion-resistant, soft, and can survive a fire, unlike aluminum.
The outer lip is for rotating the ring, and the inner pin is to hold the middle part while turning