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Preview scale: 8.0 x 8.0 inches. Show Rulers
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Designs by sef
maths, science and music specialist
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Symmetry group p31m with triad rotations and mirror axes parallel to the unit cell sides.
Symmetry group p31m with triad rotations and mirror axes parallel to the unit cell sides (also bringing in glide reflections). The unit cell is a special rhombus (which I call a trombus because of its equilateral triangle derivation). Note how the mirror reflections pass through only one of the set of three triads and the other two triads are mirror opposites of each other.
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