This one was my first serious go at making a sigil for myself with different layers of symbolism. I based it around the symbol for Mercury and from there it grew to this. I built it up in layers, first in pencil, going over that in pen, and then a new level of detail in pencil. It was great fun to do, but I was no happy with the end result, hence all the measurement so I could reproduce the basic design and try different details.⠀
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From @eclecteel