Solids Of Constant Width - Variety of 4 shapes Phone Stand Thrust washers

Thrust washers

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75 in Long and

Set of three Cones of constant width

Comes with the new bolt with protected grease fitting

Solids Of Constant Width - Variety of 4 shapes Phone Stand Thrust washersSet of four Cones of constant width with one of each Triangle, Hexagon and a Heptagon and Sphere. CNC machined in Canada out of brass or aluminum bar stock. Approximately 1" in diameter. These non spherical solids amazingly have constant width in every directionallowing them to roll smoothly. They are derived from two dimensional curves that were put into use by the 19th century German engineer Franz Reuleaux.