Solids of constant width
Product details
| Management number | 788997 | Release Date | 2025/07/07 | List Price | $22.80 | Model Number | 788997 | ||
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Artistic, geometric solids that roll as smoothly as spheres. Equal parts desk ornament, kinetic art piece, and mathematical curio. Made from solid copper, stainless steel, and brass.
As intriguing to the artist as they are to the mathematician, Roloids are based on two-dimensional curves with incredible mathematical and aesthetic properties. They were studied by such famous figures as Leonardo da Vinci and the mathematician Leonard Euler.
Roloids are non-spherical solids that amazingly have constant width in every direction—allowing them to roll smoothly. They are derived from two-dimensional curves that were put into use by the 19th-century German engineer Franz Reuleaux.
These sculptures roll with pleasantly unintuitive smoothness, inspiring mindfulness and creativity in people of all ages. Perfect for artists, scientists, teachers, learners, and anyone who appreciates wonder in simplicity.
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