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written by Rene K. Mueller, Copyright (c) 2005, 2006, 2007, last updated Tue, January 29, 2019
Cuboctahedron |
- Uniform Polyhedron: U7
- Archimedean Solid: A1
- Vertices: 12
- Edges: 24
- Faces: 14
- Wythoff symbol: 2|3 4
- Symmetry Group: octahedral
- Vertex Configuration: {3, 4, 3, 4}
- Dual: rhombic dodecahedron
- V: s3 * 5/3 * √2
- A: s2 * (6 + 2 * √3)
- rinner: s * 3/4
- router: s
-
Cuboctahedron L0/0V (original)
Cuboctahedron L1/1V flat (only triangles & flat)
Cuboctahedron L1/1V (only triangles & normalized)
The 6 squares are centerpoint triangulated for further processing.
- vertices/connectors: 12
1V Cuboctahedron Dome Construction Map |
- edges/struts & bending angles (αstrut):
- A x 12: 0.76537 (22.50°)
- B x 15: 1.00000 (30.00°)
- total 27 struts (2 kinds)1)
- strut variance 30.7%
- faces: 16 (3-sided)
- A-A-B x 12 (49.21°, 49.21°, 81.57°)
- B-B-B x 4 (60.00°, 60.00°, 60.00°)
- 2 kinds of faces2)
- diameter: 2.000, radius: 1.000
- height: 0.817 or 40.83% of diameter
1) strut lengths sorted by 1/10'000th or +/-0.00005 exact
2) clock wise (cw) and counter clock wise (ccw) orientation neglected
Geodesic 1V Cuboctahedron Dome (Human is 170cm/5'7") |
- vertices/connectors: 39
2V Cuboctahedron Dome Construction Map |
- edges/struts & bending angles (αstrut):
- A x 24: 0.39018 (11.25°)
- B x 24: 0.42291 (12.21°)
- C x 30: 0.51764 (15.00°)
- D x 12: 0.54120 (15.70°)
- E x 12: 0.57735 (16.78°)
- total 102 struts (5 kinds)1)
- strut variance 48.0%
- faces: 64 (3-sided)
- A-A-D x 12 (46.09°, 46.09°, 87.81°)
- A-B-C x 24 (47.72°, 53.31°, 78.96°)
- B-B-D x 12 (50.22°, 50.22°, 79.56°)
- C-C-E x 12 (56.10°, 56.10°, 67.80°)
- E-E-E x 4 (60.00°, 60.00°, 60.00°)
- 5 kinds of faces2)
- diameter: 2.000, radius: 1.000
- height: 0.943 or 47.15% of diameter
1) strut lengths sorted by 1/10'000th or +/-0.00005 exact
2) clock wise (cw) and counter clock wise (ccw) orientation neglected
Geodesic 2V Cuboctahedron Dome (Human is 170cm/5'7") |
There might be a better optimization available, but that's what I came up at the first sight.
- vertices/connectors: 82
3V Cuboctahedron Dome Construction Map |
- edges/struts & bending angles (αstrut):
- A x 24: 0.25480 (7.32°)
- B x 12: 0.27355 (7.86°)
- C x 24: 0.27468 (7.89°)
- D x 24: 0.27569 (7.92°)
- E x 24: 0.29082 (8.36°)
- F x 30: 0.33193 (9.55°)
- G x 12: 0.35741 (10.29°)
- H x 24: 0.36346 (10.47°)
- I x 27: 0.37796 (10.89°)
- J x 24: 0.38517 (11.10°)
- total 225 struts (10 kinds)1)
- strut variance 51.2%
- faces: 144 (3-sided)
- A-A-G x 12 (45.47°, 45.47°, 89.07°)
- A-D-F x 24 (48.51°, 54.14°, 77.35°)
- B-C-H x 24 (48.34°, 48.60°, 83.05°)
- C-C-G x 12 (49.42°, 49.42°, 81.16°)
- D-E-H x 24 (48.28°, 51.94°, 79.78°)
- E-E-I x 12 (49.46°, 49.46°, 81.07°)
- F-F-I x 12 (55.29°, 55.29°, 69.42°)
- I-J-J x 24 (58.77°, 60.62°, 60.62°)
- 8 kinds of faces2)
- diameter: 2.000, radius: 1.000
- height: 1.000 or 50.00% of diameter
1) strut lengths sorted by 1/10'000th or +/-0.00005 exact
2) clock wise (cw) and counter clock wise (ccw) orientation neglected
Geodesic 3V Cuboctahedron Dome (Human is 170cm/5'7") |
- vertices/connectors: 141
4V Cuboctahedron Dome Construction Map |
- edges/struts & bending angles (αstrut):
- A x 24: 0.18820 (5.40°)
- B x 24: 0.20036 (5.75°)
- C x 24: 0.20240 (5.81°)
- D x 24: 0.20386 (5.85°)
- E x 24: 0.20571 (5.90°)
- F x 24: 0.21338 (6.12°)
- G x 24: 0.21629 (6.21°)
- H x 24: 0.21961 (6.30°)
- I x 30: 0.24197 (6.95°)
- J x 24: 0.26458 (7.60°)
- K x 12: 0.26497 (7.61°)
- L x 24: 0.27316 (7.85°)
- M x 24: 0.27685 (7.96°)
- N x 12: 0.27735 (7.97°)
- O x 30: 0.28011 (8.05°)
- P x 12: 0.28580 (8.22°)
- Q x 24: 0.29180 (8.39°)
- R x 12: 0.30151 (8.67°)
- total 396 struts (18 kinds)1)
- strut variance 60.2%
- faces: 256 (3-sided)
- A-A-K x 12 (45.25°, 45.25°, 89.50°)
- A-C-I x 24 (49.12°, 54.41°, 76.47°)
- B-B-K x 12 (48.61°, 48.61°, 82.78°)
- B-D-L x 24 (46.95°, 48.03°, 85.02°)
- C-F-J x 24 (48.66°, 52.34°, 78.99°)
- D-E-J x 24 (49.46°, 50.06°, 80.48°)
- E-G-L x 24 (47.98°, 51.37°, 80.65°)
- F-H-O x 24 (48.73°, 50.67°, 80.60°)
- G-G-P x 12 (48.65°, 48.65°, 82.70°)
- H-H-P x 12 (49.40°, 49.40°, 81.19°)
- I-I-N x 12 (55.04°, 55.04°, 69.91°)
- M-M-N x 12 (59.94°, 59.94°, 60.12°)
- M-O-Q x 24 (57.85°, 58.95°, 63.19°)
- Q-Q-R x 12 (58.89°, 58.89°, 62.21°)
- R-R-R x 4 (60.00°, 60.00°, 60.00°)
- 15 kinds of faces2)
- diameter: 2.000, radius: 1.000
- height: 0.985 or 49.24% of diameter
1) strut lengths sorted by 1/10'000th or +/-0.00005 exact
2) clock wise (cw) and counter clock wise (ccw) orientation neglected
Geodesic 4V Cuboctahedron Dome (Human is 170cm/5'7") |
- vertices/connectors: 141
L3 Cuboctahedron Dome Construction Map |
- edges/struts & bending angles (αstrut):
- A x 48: 0.19603 (5.62°)
- B x 24: 0.19991 (5.74°)
- C x 24: 0.20044 (5.75°)
- D x 48: 0.21266 (6.10°)
- E x 24: 0.21671 (6.22°)
- F x 24: 0.21746 (6.24°)
- G x 60: 0.26105 (7.50°)
- H x 24: 0.26433 (7.59°)
- I x 24: 0.26899 (7.73°)
- J x 24: 0.27316 (7.85°)
- K x 12: 0.27590 (7.93°)
- L x 12: 0.27686 (7.96°)
- M x 24: 0.29180 (8.39°)
- N x 12: 0.29886 (8.59°)
- O x 12: 0.30151 (8.67°)
- total 396 struts (15 kinds)1)
- strut variance 53.8%
- faces: 256 (3-sided)
- A-A-K x 12 (45.27°, 45.27°, 89.47°)
- A-B-J x 24 (45.78°, 46.96°, 87.27°)
- A-D-H x 24 (47.00°, 52.53°, 80.47°)
- A-E-G x 24 (47.32°, 54.37°, 78.32°)
- B-B-K x 12 (46.36°, 46.36°, 87.28°)
- C-D-G x 24 (48.74°, 52.92°, 78.34°)
- C-E-H x 24 (48.00°, 53.47°, 78.53°)
- D-D-L x 12 (49.39°, 49.39°, 81.22°)
- D-F-J x 24 (49.80°, 51.36°, 78.84°)
- F-F-L x 12 (50.46°, 50.46°, 79.07°)
- G-G-N x 12 (55.08°, 55.08°, 69.83°)
- G-I-M x 24 (55.32°, 57.91°, 66.78°)
- I-I-N x 12 (56.25°, 56.25°, 67.50°)
- M-M-O x 12 (58.89°, 58.89°, 62.21°)
- O-O-O x 4 (60.00°, 60.00°, 60.00°)
- 15 kinds of faces2)
- diameter: 2.000, radius: 1.000
- height: 0.985 or 49.24% of diameter
1) strut lengths sorted by 1/10'000th or +/-0.00005 exact
2) clock wise (cw) and counter clock wise (ccw) orientation neglected
Geodesic L3 Cuboctahedron Dome (Human is 170cm/5'7") |
Next Page >>
Content: - Page 1: Table of Content, Changes
- Page 2: Introduction, Origin of the Geodesic Dome, Geodesize: Triangulate & Normalize, Procedure & Evolution of a Subdividing Triangle ...
- Page 3: Overview of Variants, Numerical Overview, Amount of Struts vs. Strut Variance, Amount of Struts vs. Strut Types ...
- Page 4: The Icosahedron, 1V/L1 2/3 Icosahedron Dome, 2V/L2 Icosahedron Dome, 3V 4/9 Icosahedron Dome ...
- Page 5: 5V 7/15 Icosahedron Dome, 5V 8/15 Icosahedron Dome, 6V Icosahedron Dome, 2V.3V Icosahedron Dome ...
- Page 6: 7V 10/21 Icosahedron Dome, 7V 11/21 Icosahedron Dome, 8V Icosahedron Dome, L4 Icosahedron Dome ...
- Page 7: The Octahedron, 1V/L1 Octahedron Dome, 2V/L2 Octahedron Dome, 3V Octahedron Dome
- Page 8: 4V Octahedron Dome, L3 Octahedron Dome, L3 1/4 Octahedron Dome, L3 5/8 Octahedron Dome
- Page 9: 5V Octahedron Dome, 6V Octahedron Dome, 2V.3V Octahedron Dome, 3V.2V Octahedron Dome
- Page 10: 7V Octahedron Dome, 8V Octahedron Dome, L4 Octahedron Dome, L4 7/16 Octahedron Dome, L4 9/16 Octahedron Dome ...
- Page 11: 9V Octahedron Dome, 3V.3V Octahedron Dome, 10V Octahedron Dome, 2V.5V Octahedron Dome, 2V.5V Octahedron Dome ...
- Page 12: The Cube, Preparing the Cube, 1V/L1 Cube Dome, 2V/L2 Cube Dome, 3V Cube Dome, 4V Cube Dome, L3 Cube Dome ...
- Page 13: 5V Cube Dome, 6V Cube Dome, 2V.3V Cube Dome, 3V.2V Cube Dome, 7V Cube Dome
- Page 14: The Cuboctahedron, Preparing the Cuboctahedron, 1V/L1 Cuboctahedron Dome, 2V/L2 Cuboctahedron Dome ...
- Page 15: 5V Cuboctahedron Dome, 6V Cuboctahedron Dome, 2V.3V Cuboctahedron Dome, 3V.2V Cuboctahedron Dome ...
- Page 16: The Truncated Octahedron, Preparing the Truncated Octahedron, 1V/L1 Truncated Octahedron Dome ...
- Page 17: The Rhombicuboctahedron, Preparing the Rhombicuboctahedron, 1V/L1 3/8 Rhombicuboctahedron Dome ...
- Page 18: Building Models, 3V 5/9 Icosahedron Model, 2V Icosahedron Model, 4V Icosahedron Model, 2V/L2 Cuboctahedron Model ...
- Page 19: Real Life Application, Options, Connectors, Separate Functions, Cover, 4/8 Sphere Cover Calculator ...
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