Just designers fantasy around old religions visual heritage: mix of pagan look of Tiwaz and Algiz runes filled with hidden christian injection.
Modeled in Blender, base shape is primitive, so mainly modifiers SubSurf, Displacement were used with Blender's Sculpting tools.
STL prepared for production, .blend files also are present.
Cumulative volume of all three parts (Tiwaz rune, Algiz rune and Bail) = 180mm^3 (less than 1.8g for sterling silver)..
SIze is ca. 20x15x3mm