How To Make a Rolling Square with Catenary Curves

Necklaces and square wheels @ phikwadraat - your everyday world

Proof of Focus of Parabola Rolling Traces Catenary - Mathematics Pages

Unduloid and elliptic catenary - Grasshopper - McNeel Forum

Making road for square wheels

Polygonal wheels and their associated roads

Catenary - Wikipedia

Proof of Focus of Parabola Rolling Traces Catenary - Mathematics Pages

Catenary / Etudes // Mathematical Etudes

Catenary / Etudes // Mathematical Etudes

A catenary robot rolling and dragging a box. Video

Regular Polygon Rolling on a Catenary - Wolfram Demonstrations Project

Outlines of a square and its matching track of inverted catenaries