A valknut/triquetra embossed at the center and the Aegishjalmur surrounding it engraved around the edge. 3 cm Length, 3 mm Loop Hole.Valknut:The f...

3 cm diameter, 3 mm loop hole

The Trefoil Knot is a 3D curve totally drawn on a torus' surface. Part of the toroidal knots family, it is defined by the following parametric equa...

knot or trefoil

Trefoil knot, knot 3-1 in Brigg's table.

For nimble fingers only! You'll tie your hands into knots trying to hold on to this coffee mug by the handle. A fun coffee mug with a trefoil han...

A honeycomb perforated trefoil knot Seifert surface desktop sculpture. Some fun geometry to spice up your office desktop.