How To Make a Rolling Square with Catenary Curves

Square Wheels: Engineering & Design Science Activity

The Mathematical Tourist: Riding on Square Wheels

Catenary - Wikiquote

Unduloid and elliptic catenary - Grasshopper - McNeel Forum

geometry - Road Shape for Square Wheels - Mathematics Stack Exchange

Square Wheels: Engineering & Design Science Activity

Proof of Focus of Parabola Rolling Traces Catenary - Mathematics Pages

Catenary - Wikipedia

Polygonal wheels and their associated roads

Catenary - Wikipedia

Catenary - Wikipedia

The Magical Curve for Holiday Lights and Sturdy Domes - WSJ

Proof of Focus of Parabola Rolling Traces Catenary - Mathematics Pages