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18-sided
solid

32 vertices

48 edges

18 faces
6 kites
(6 ki.)
6 central-
symmetric
hexagons
(6 p.he.)
6 mirror
symmetric
hexagons
(6 m.he.)		 vertex

3 paper strips
(each divided
into 2 parts)

8 x 1/2 ki.
1 p.he.
6 x 1/2 p.he.
2 m.he.
4 x 1/2 m.he.

pattern download

1 pair of paper strips, 1921 x 1997 pix, 126 kb:
st2.gif
Plaiting-Scheme
  a1a2a3a4a5a6 a7a8a9a10a11a12
I ↑↑ i4 III↓↑ i2 III↓↑ i8 III ↑↑ i7 III↑↑ i10 III↓↑ i9 III ↑↑ i1 III↓↑ i3 IIi12 III ↑↑ i5 II↑↑ i11 III↓↑ i6 III
II ↑↑ i4 I↓↑ i2 I↓↑ i8 I ↑↑ i7 I↑↑ i10 I↓↑ i9 I ↑↑ i1 I↓↑ i3 IIIi12 I ↑↑ i5 III↑↑ i11 I↓↑ i6 I
III ↑↑ i4 II↓↑ i2 II↓↑ i8 II ↑↑ i7 II↑↑ i10 II↓↑ i9 II ↑↑ i1 II↓↑ i3 Ii12 II ↑↑ i5 I↑↑ i11 II↓↑ i6 II
The inner- and outer quadrilaterals i1,a1,i5,a5,i7,a7,i10, and a10 are triangles (half kites), which are treated virtually as quadrilaterals by adding the kite midpoint as an additional vertex.
plaiting page