Sage Goddess Metallic Metatron's Cube Flash Tattoos for ancient wisdom
Blue Rider Tattoo Company - Metatron's cube, moon phases, and unalome. In the cube, only the circles are solid black, all of the lines are two different greys that will heal lighter. 
Metatron's cube tattoo on the chest - Tattoogrid.net
Metatrons cube tattoo by Shanna Keyes - Tattoogrid.net