It employs a splitter combined with a tandem of 100%-reflectivity mirrors, arranged in equilateral-triangle geometry.
I have confined discussion so far to packings of regular figures - squares, equilateral triangles, hexagons - and how these may be dimensioned.
In order to generate a uniform distribution of the finite viewing directions, the unit sphere is partitioned into equilateral triangles.
At every other instant of its existence the three masses form an equilateral triangle.
The first rule of the grammar concatenates equilateral triangles.
The experiments reported here were performed with an array of three landmarks arranged in an equilateral triangle whose sides were 3 m long.
The palms were planted between 1987 and 1991 at a density of 180 palms ha - 1 (8 m apart in a staggered, equilateral triangle design).
The body is in the shape of an equilateral triangle flanked by two blue wings at the front.
