triskele or triple spiral sculpture at ballintubber abbey county mayo

symbol triskele vector celtic triskel spiral ornament triple sign swirl isolated circle design ancient triskelion icon abstract irish graphic black round element curve logo decorative geometric three white shape pattern circular sacred tattoo trinity helix ireland motif rotational background art saint rotation scottish interceltique retro day symmetry celtique geometry shamrock curl decoration emblem mystic celt triangle culture interceltic spiritual triple spirals knot pyramid sacred triskeles mythology tryskel pagan geometrical ancient greek bronze age celtic knot