# 七角柱

9
21

7{4}+2{7}

D7, [7,2]+, (722), order 14

4.4.7

(對偶多面體)

(展開圖)

## 相關多面體與鑲嵌

[7,2], (*722) [7,2]+, (722)
{7,2} t{7,2} r{7,2} 2t{7,2}=t{2,7} 2r{7,2}={2,7} rr{7,2} tr{7,2} sr{7,2}

V72 V142 V72 V4.4.7 V27 V4.4.7 V4.4.14 V3.3.3.7

3 4 5 6 7 8 9 10英语Decagonal prism 11英语Hendecagonal prism 12
[2n,2]
[n,2]
[2n,2+]

t{2,1}

t{2,2}

t{3,2}

{4,2}

t{5,2}

t{6,2}

t{7,2}

t{8,2}
...

t{2,∞}

t{2,iπ/λ}

## 參考文獻

1. ^ Heptagonal Prism页面存档备份，存于互联网档案馆） dmccooey.com [2014-6-22]
2. ^ Heptagonal prisms and antiprisms页面存档备份，存于互联网档案馆） umanitoba.ca [2014-6-22]
3. ^
4. ^ Guest, Simon D., and Sergo Pellegrino. "The folding of triangulated cylinders, Part I: Geometric considerations." Journal of applied mechanics 61.4 (1994): 773-777.
5. ^ Ishikawa, Shigeta. "Optical multiplexer/demultiplexer using interference filters." U.S. Patent No. 4,482,994. 13 Nov. 1984.
6. ^ Somer, Mehmet, et al. "Mg2[BN2]Cl and Mg8[BN2]5I: Novel Magnesium Nitridoborate Halides—Syntheses, Crystal Structures, and Vibrational Spectra." Zeitschrift für anorganische und allgemeine Chemie 630.7 (2004): 1015-1021.
7. ^ Van Fleet, D. S. "A comparison of histochemical and anatomical characteristics of the hypodermis with the endodermis in vascular plants." American Journal of Botany (1950): 721-725.
8. ^ Heptagonal Prism 3x3x3页面存档备份，存于互联网档案馆） twistypuzzles.com [2014-6-22]
9. ^ Rubik's polyhedrons页面存档备份，存于互联网档案馆） twistypuzzles.com [2014-06-22]
10. ^ Rubik's Truncated Heptagonal prism页面存档备份，存于互联网档案馆） twistypuzzles.com 截角正七角柱 [2014-06-22]
11. ^ Anthony Pugh. Polyhedra: A Visual Approach. University of California Press. 1976: 27 [2020-09-27]. ISBN 9780520030565. （原始内容存档于2019-05-10） （英语）.