# Section générée avec JMath3D
# JMath3D
# 2 pyramides opposées par le sommet.
# Chaque base est un icosikaitétragone régulier.
# 25 points sous le plan : +y+2z-3 <= 0
v  1         0        0
v  0.965926 -0.258819 0
v  0.866025 -0.5      0
v  0.707107 -0.707107 0
v  0.5      -0.866025 0
v  0.258819 -0.965926 0
v  0        -1        0
v -0.258819 -0.965926 0
v -0.5      -0.866025 0
v -0.707107 -0.707107 0
v -0.866025 -0.5      0
v -0.965926 -0.258819 0
v -1         0        0
v -0.965926  0.258819 0
v -0.866025  0.5      0
v -0.707107  0.707107 0
v -0.5       0.866025 0
v -0.258819  0.965926 0
v  0         1        0
v  0.258819  0.965926 0
v  0.5       0.866025 0
v  0.707107  0.707107 0
v  0.866025  0.5      0
v  0.965926  0.258819 0
v 0 0 1

# 24 points dans le plan d'équation +y+2z-3 = 0
v 0 -1 2
v 0.554753354189 -0.148645660618 1.574322830309
v 0.5 0 1.5
v 0.57735 -0.333333333333 1.666666666667
v 0.546918422484 -0.546918422484 1.773459211242
v 0.440926828193 -0.763707312771 1.881853656386
v 0.250290598158 -0.934097559749 1.967048779875
v -0.250290598158 -0.934097559749 1.967048779875
v -0.440926828193 -0.763707312771 1.881853656386
v -0.546918422484 -0.546918422484 1.773459211242
v -0.57735 -0.333333333333 1.666666666667
v -0.554753354189 -0.148645660618 1.574322830309
v -0.5 0 1.5
v -0.427624347059 0.114581557885 1.442709221058
v -0.34641 0.2 1.4
v -0.26120393468 0.26120393468 1.36939803266
v -0.174457654766 0.302169380937 1.348915309531
v -0.087264146172 0.325674342516 1.337162828742
v 0 0.333333333333 1.333333333333
v 0.087264146172 0.325674342516 1.337162828742
v 0.174457654766 0.302169380937 1.348915309531
v 0.26120393468 0.26120393468 1.36939803266
v 0.34641 0.2 1.4
v 0.427624347059 0.114581557885 1.442709221058


# 49 faces sous le plan.
f 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
f 25 2 1
f 27 25 28
f 25 3 2
f 29 25 27
f 25 4 3
f 30 25 29
f 25 5 4
f 31 25 30
f 25 6 5
f 32 25 31
f 25 7 6
f 25 32 26
f 25 8 7
f 33 25 26
f 25 9 8
f 34 25 33
f 25 10 9
f 35 25 34
f 25 11 10
f 36 25 35
f 25 12 11
f 37 25 36
f 25 13 12
f 38 25 37
f 25 14 13
f 39 25 38
f 25 15 14
f 40 25 39
f 25 16 15
f 41 25 40
f 25 17 16
f 42 25 41
f 25 18 17
f 43 25 42
f 25 19 18
f 44 25 43
f 25 20 19
f 45 25 44
f 25 21 20
f 46 25 45
f 25 22 21
f 47 25 46
f 25 23 22
f 48 25 47
f 25 24 23
f 49 25 48
f 25 1 24
f 28 25 49

# Section
f 26 32 31 30 29 27 28 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33

# 49 vertices, 50 faces.