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¥»¤å³¹³Ì«á¥Ñ jasanlin ©ó 2010-9-4 21:12 ½s¿è
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3V 5/9 Icosahedron Dome(§÷®Æ¬O1"*1.4mm EMTºÞ)
vertices/connectors: 61
15 x 4-way 6 x 5-way 40 x 6-way edges/struts & bending angles :
A x 30: 0.34862 (10.04¢X)
B x 55: 0.40355 (11.64¢X)
C x 80: 0.41241 (11.90¢X) total 165 struts (3 kinds)1)
strut variance 18.3% faces: 105 (3-sided)
A ¡V A ¡V B x 30 (54.63¢X, 54.63¢X, 70.74¢X)
B ¡V C ¡V C x 75 (58.59¢X, 60.70¢X, 60.70¢X) 2 kinds of faces2)
D= 550cm, Alath = 95.9cm x 35, Blath =111cm x 60, Clath =113.4cm x 80, h = 326.6cm
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L3 Icosahedron Dome(§÷®Æ¬O1 "*1.4mm EMTºÞ)
vertices/connectors: 91
20 x 4-way 6 x 5-way 65 x 6-way
edges/struts & bending angles (£\strut):
A x 60: 0.27590 (7.93¢X)
B x 60: 0.28547 (8.21¢X)
C x 70: 0.31287 (9.00¢X)
D x 30: 0.32124 (9.24¢X)
E x 30: 0.32492 (9.35¢X) total 250 struts (5 kinds)1)
strut variance 17.8% faces: 160 (3-sided)
A-A-D x 30 (54.40¢X, 54.40¢X, 71.20¢X)
A-B-C x 60 (54.68¢X, 57.60¢X, 67.72¢X)
B-B-D x 30 (55.77¢X, 55.77¢X, 68.46¢X)
C-C-E x 30 (58.72¢X, 58.72¢X, 62.55¢X)
E-E-E x 10 (60.00¢X, 60.00¢X, 60.00¢X) 5 kinds of faces2)
diameter: 2.000, radius: 1.000 height: 1.000 or 50.00% of diameter
d =695cm Alath =95.9cm x 60, Blath =99.2cm x 60, Clath =108.7cm x 70,
Dlath =111.6cm x 30, Elath =112.9cm x 30, h =347.5cm
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