The 72 seals (sigils) of the Ars Goetia we offer as SVG and PNG are free: you may use them for any purpose, including commercial, without asking permission.
The seals come from «The Goetia» in the S. L. MacGregor Mathers & Aleister Crowley edition (1904), a work in the public domain by age.
The vector versions (SVG) and their PNGs were produced with potrace — a faithful trace of the original seal, adding and removing nothing. As a faithful reproduction of a public-domain work, we release them under CC0 1.0 (public domain). In practice: free, unrestricted use.
You are not required to credit us, but it helps a lot. You may copy this line:
Seals via Grimorium — grimorium.lat
Each entry has its seal in SVG and PNG. You can also get all 72 in a gallery or the full pack (ZIP).
grimorium.lat · Documentary library of ritual magic, demonology and historical grimoires