A pair of triangular rollers with red pinheads marking the facilities.
A curve of continual width is a two-dimensional form whose width, as measured with calipers, is the identical, irrespective of the orientation of the curve relative to the calipers. You can extrude these a curve into a three-dimensional roller that will have a constant top as you roll it all over on a flat surface area. A board supported by a pair of this sort of rollers will shift horizontally without having any up and down movement. A circle is a curve of consistent width, but it’s not the only a person there are numerous many others. A Reuleaux triangle (an equilateral triangle exactly where just about every facet is a round arc centered on the reverse corner) also has continuous width, and you can use it as the foundation for rollers that glance like they should not work at all. Influenced by my daughter’s substantial university task I built an illustration out of wooden.
Posted by fksr on 2021-02-17 03:34:38
Tagged: , Woodworking , Wood , Triangular Roller , Reuleaux Triangle
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