Helix 1
This helical structure is made of pentagonal and rhombic prisms. The supports are made of seven triangular prisms.
Helix 1, view 1
2475 pieces: 602 balls, 1327 rods, 78 pentagons, 392 squares, 76 rhombuses (12.47 kg) 
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Helix 1, view 2
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Of course, the number of pieces required depends on how much the construction is extended or, in other words, on how many turns the helix describes:
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turns
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balls
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rods
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pentagons
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squares
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rhombuses
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1
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132
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266
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20
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84
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18
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2
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292
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626
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40
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189
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38
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3
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452
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986
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60
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294
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58
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4
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612
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1346
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80
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399
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78
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5
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772
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1706
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100
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504
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98
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6
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932
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2066
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120
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609
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118
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...
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...
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...
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...
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...
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...
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n
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160 × n 28
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360 × n 94
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20 × n
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105 × n 21
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20 × n 2
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Helix 1, side view
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