Block-Chain Chain

Each cube measures 20mm x 20mm x 20mm. The text adds 2mm to the width for a total of 24mm x 24mm x 20mm

The hole in the center is to thread your necklace of choice through it, and has a diameter of 6mm.

.

Scale as desired and use as many Blocks as you want in your chain. Remember, the more blocks you use, the more secure your block-chain will be.