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The Merkel-Raute [1] (German for "Merkel rhombus"), termed the Merkel diamond [2] or Triangle of Power by English-speaking media, [3] is a hand gesture made by resting one's hands in front of the stomach so that the fingertips meet, with the thumbs and index fingers forming a rough quadrangular shape.
Valknut variations. On the left unicursal trefoil forms; on the right tricursal linked triangle forms.. The valknut is a symbol consisting of three interlocked triangles.It appears on a variety of objects from the archaeological record of the ancient Germanic peoples.
Yellow inverted triangle superimposed over a black triangle representing an "Aryan" woman convicted of miscegenation and labelled as a Rassenschänder (race defiler). Like those who wore pink and green triangles, people in the bottom two categories would have been convicted in criminal courts.
Colored inverted triangles were used in the concentration camps in the German-occupied countries to identify the reason the prisoners had been placed there. The triangles were made of fabric and were sewn on jackets and shirts of the prisoners. These mandatory badges had specific meanings indicated by their color and shape.
The boric acid and triethylborane molecules are triskelion-shaped as seen in the images. The molecular point group of triskelion-shaped molecules is C 3h . [ 34 ] [ 35 ] The endocytic protein, clathrin , is triskelion-shaped, as well as the Ediacaran organism Tribrachidium .
The overall shape of a chart is an equilateral triangle made up of 28 samples. Each chart is made up of samples of approximately the same hue. Each chart has one sample with the greatest purity. This sample is the far point of the triangle. A series of five samples with increasing reflectance and decreasing purity are on the upper edge of the ...
Interlaced triquetra which is a trefoil knot. The triquetra (/ t r aɪ ˈ k w ɛ t r ə / try-KWEH-truh; from the Latin adjective triquetrus "three-cornered") is a triangular figure composed of three interlaced arcs, or (equivalently) three overlapping vesicae piscis lens shapes.
Gambian dalasi coin, a Reuleaux heptagon. In geometry, a Reuleaux polygon is a curve of constant width made up of circular arcs of constant radius. [1] These shapes are named after their prototypical example, the Reuleaux triangle, which in turn is named after 19th-century German engineer Franz Reuleaux. [2]