This
trefoil knot rolls around like an infinite rocking chair because it is "tritangentless", which means that it never touches a flat surface in more than two places at once.
To read more about how this knot was made and to download your own 3D-printable model, check out our Hacktastic article
Knots in OpenSCAD with Sweeper.
This knot model has a wire diameter of 3mm and will be 3D printed in Steel, in your choice of finish.
Want more knots? Check out the rest of our
Steel Knot Collection, or get your knots printed in color from our
Special Knot Collection.