Helix 3
An octotetrahedric quadruple helix of pitch 15 around a structure of 26 levels with a plan shaped as a five-pointed star. For each turn of each helix five of fifteen modules are attached to the central support:
Helix 3
4841 pieces: 1092 balls, 3042 rods, 27 pentagons, 680 squares (25.01 kg)
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Helix 3, detail
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Helix 3, plan of the support
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| helices | turns | balls | rods | pentagons | squares | |
| 1 | 1 | 400 | 1025 | 16 | 395 | |
| 1 | 2 | 780 | 2025 | 31 | 785 | |
| 1 | 3 | 1160 | 3025 | 46 | 1175 | |
| 2 | 1 | 480 | 1270 | 16 | 395 | |
| 2 | 2 | 9400 | 2520 | 31 | 785 | |
| 2 | 3 | 1400 | 3770 | 46 | 1175 | |
| 3 | 1 | 560 | 1515 | 16 | 395 | |
| 3 | 2 | 1100 | 3015 | 31 | 785 | |
| 3 | 3 | 1640 | 4515 | 46 | 1175 | |
| 4 | 1 | 640 | 1760 | 16 | 395 | |
| 4 | 2 | 1260 | 3510 | 31 | 785 | |
| 4 | 3 | 1880 | 5260 | 46 | 1175 | |
| ... | ... | ... | ... | ... | ... | |
| m | n | (300+80m)n+20 | (750+250m)n+30–5m | 15n+1 | 390n+5 |
