Lineicon › Holidays & Culture Triquetra icon Triquetra line icon from the holidays & culture set. Free download as SVG or PNG, 48px grid, 1.5px stroke, for personal and commercial use. Tags: trinity, knot, celtic, symbol, religion.Download triquetra.svg Tags: trinity, knot, celtic, symbol, religion Related holidays & culture iconsTriple Bar CrossTriskeleTridentTriskelionTridentTrojan HorseTridentTrumpet Horn