Doppelte Unendlichkeit Tattoo als Tribal Blackwork Vorlage

Tattoo design concept on white paper: tribal blackwork forearm. Style: realism portrait. Intended for full sleeve, large 10-20 cm. Clean flash-sheet illustration — high contrast, sharp lines, no shading bleed. Render on plain white background as a tattoo artist would draw before applying. No real-person portraits without explicit context, no hate symbols (swastikas, SS runes, etc.), no copyrighted character likenesses, no offensive imagery. Specifically: tribal blackwork forearm. Target search intent (rendered visually, no on-image text): "doppelte unendlichkeit tattoo" (de).