Reuleaux Triangle in Architecture and Applications

  title={Reuleaux Triangle in Architecture and Applications},
  author={Giuseppe Conti and Raffaella Paoletti},
  journal={Lecture Notes in Networks and Systems},
The Reuleaux triangle is a figure with the remarkable property of having constant width, a typical property of the circle. It takes its name from Franz Reuleaux, a 19th century German engineer, who studied its properties, in particular the ones related to applications to mechanics. However, this figure was previously known: actually, we find it in the shape of the windows and in the ornaments of some Gothic architecture. Furthermore, Leonardo da Vinci, to represent the terrestrial globe, used… 



Drilling Square Holes.

A drill bit that produces square holes ... it defies common sense. How can a revolving edge cut anything but a circular hole? Not only do such drill bits exist, as well as bits for pentagonal,

The Machines of Leonardo Da Vinci and Franz Reuleaux: Kinematics of Machines from the Renaissance to the 20th Century

Preface Acknowledgments Part 1: Leonardo da Vinci and Franz Reuleaux: Machine Engineers: Introduction Modem Applications of Kinematics: Leonardo in your Toothbrush: Kinematic Mechanisms in Daily Life