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2. Modular origami - Wikipedia

   en.wikipedia.org/wiki/Modular_origami

   Modular origami techniques can be used to create a wide range of lidded boxes in many shapes. Many examples of such boxes are shown in Tomoko Fuse's books Origami Boxes (1989), [6] Fabulous Origami Boxes (1998) [7], and Tomoko Fuse's Origami Boxes (2018). [8] There are some modular origami that are approximations of fractals, such as Menger's ...

3. List of polygons - Wikipedia

   en.wikipedia.org/wiki/List_of_polygons

   A pentagon is a five-sided polygon. A regular pentagon has 5 equal edges and 5 equal angles. ... 6: hexagon: 7: heptagon: septagon: 8: octagon: 9: enneagon: nonagon ...

4. Pattern Blocks - Wikipedia

   en.wikipedia.org/wiki/Pattern_blocks

   Pattern blocks sets are multiple copies of just six shapes: Equilateral triangle (Green) 60° rhombus (2 triangles) (Blue) that can be matched with two of the green triangles; 30° Narrow rhombus (Beige) with the same side-length as the green triangle; Trapezoid (half hexagon or 3 triangles) (Red) that can be matched with three of the green ...

5. Hexagon - Wikipedia

   en.wikipedia.org/wiki/Hexagon

   A regular skew hexagon seen as edges (black) of a triangular antiprism, symmetry D 3d, [2 +,6], (2*3), order 12. A skew hexagon is a skew polygon with six vertices and edges but not existing on the same plane. The interior of such a hexagon is not generally defined. A skew zig-zag hexagon has vertices alternating between two parallel planes.

6. Tessellation - Wikipedia

   en.wikipedia.org/wiki/Tessellation

   Tessellation using Texas-shaped non-convex 12-sided polygons If only one shape of tile is allowed, tilings exist with convex N -gons for N equal to 3, 4, 5, and 6. For N = 5 , see Pentagonal tiling , for N = 6 , see Hexagonal tiling , for N = 7 , see Heptagonal tiling and for N = 8 , see octagonal tiling .

7. Kite (geometry) - Wikipedia

   en.wikipedia.org/wiki/Kite_(geometry)

   Ten-sided dice. The trapezohedra are another family of polyhedra that have congruent kite-shaped faces. In these polyhedra, the edges of one of the two side lengths of the kite meet at two "pole" vertices, while the edges of the other length form an equatorial zigzag path around the polyhedron. They are the dual polyhedra of the uniform ...

8. Islamic geometric patterns - Wikipedia

   en.wikipedia.org/wiki/Islamic_geometric_patterns

   For example, the decoration of the 15th-century mosque in Yazd, Persia is based on a circle, divided into six by six circles drawn around it, all touching at its centre and each touching its two neighbours' centres to form a regular hexagon. On this basis is constructed a six-pointed star surrounded by six smaller irregular hexagons to form a ...

9. Platonic solid - Wikipedia

   en.wikipedia.org/wiki/Platonic_solid

   Platonic solids are often used to make dice, because dice of these shapes can be made fair. 6-sided dice are very common, but the other numbers are commonly used in role-playing games. Such dice are commonly referred to as d n where n is the number of faces (d8, d20, etc.); see dice notation for more details.