Knowledge

Faceting

Source đź“ť

568: 559: 476: 469: 455: 220: 241: 234: 255: 248: 213: 160: 153: 269: 262: 462: 342: 448: 526: 227: 540: 206: 533: 146: 335: 349: 29: 519: 441: 328: 676:
In 2006, Inchbald described the basic theory of faceting diagrams for polyhedra. For a given vertex, the diagram shows all the possible edges and facets (new faces) which may be used to form facetings of the original hull. It is
758: 706: 711:
by Frank J. Swetz (2013): "In this study of the five Platonic solids, Jamnitzer truncated, stellated, and faceted the regular solids "
796: 427: 417: 723: 637: 608: 685:'s stellation diagram, which shows all the possible edges and vertices for some face plane of the original core. 645: 422: 362: 287: 620: 412: 314: 500: 370: 510: 290:: small stellated dodecahedron, great dodecahedron, and great icosahedron. They all have 30 edges. 505: 432: 382: 374: 366: 20: 585: 84: 8: 804: 577: 304: 283: 182: 831: 821: 678: 666: 649: 581: 309: 121:
has two symmetric facetings, one as a polygon, and one as a compound of two triangles.
567: 558: 80:
will have two faces on each edge and creates new polyhedra or compounds of polyhedra.
826: 777: 475: 468: 454: 400: 319: 62: 629: 603: 682: 652: 641: 616: 254: 247: 212: 159: 152: 94: 461: 268: 261: 447: 341: 73: 780: 525: 815: 539: 378: 240: 233: 219: 98: 69: 226: 670: 659: 495: 407: 358: 205: 655: 624: 532: 595: 89: 54: 785: 665:
In 1974, Bridge enumerated the more straightforward facetings of the
334: 167: 114: 348: 145: 127: 110: 58: 38: 137: 132: 118: 50: 518: 440: 327: 28: 16:
Removing parts of a polytope without creating new vertices
708:
Mathematical Treasure: Wenzel Jamnitzer's Platonic Solids
68:
New edges of a faceted polyhedron may be created along
612:, showing many stellations and facetings of polyhedra. 728:
Comptes rendus des séances de l'Académie des Sciences
627:which fits inside a cube, and which he called the 775: 813: 594:Faceting has not been studied as extensively as 726:Note sur la thĂ©orie des polyèdres rĂ©guliers, 33:Stella octangula as a faceting of the cube 737:Bridge, N.J. Facetting the dodecahedron, 385:is a facetting with star hexagon faces. 49:) is the process of removing parts of a 814: 97:, there exists a dual faceting of the 794: 776: 277: 428:Great ditrigonal icosi-dodecahedron 418:Small ditrigonal icosi-dodecahedron 104: 13: 669:polyhedra, including those of the 286:can be faceted into three regular 14: 843: 769: 747:Inchbald, G. Facetting diagrams, 566: 557: 538: 531: 524: 517: 474: 467: 460: 453: 446: 439: 361:can be faceted into one regular 347: 340: 333: 326: 267: 260: 253: 246: 239: 232: 225: 218: 211: 204: 158: 151: 144: 27: 717: 609:Perspectiva Corporum Regularium 113:has one symmetry faceting, the 93:. For every stellation of some 700: 423:Ditrigonal dodeca-dodecahedron 83:Faceting is the reciprocal or 1: 765:. New York: Dover, 1991. p.94 689: 483: 413:great stellated dodecahedron 387: 324: 315:small stellated dodecahedron 202: 142: 7: 763:Shapes, Space, and Symmetry 371:regular polyhedral compound 61:, without creating any new 10: 848: 548: 18: 755:(2006), pp. 253–261. 744:(1974), pp. 548–552. 489: 396: 363:Kepler–Poinsot polyhedron 298: 198: 157: 150: 136: 131: 749:The mathematical gazette 694: 646:Kepler–Poinsot polyhedra 373:. The uniform stars and 288:Kepler–Poinsot polyhedra 801:Glossary for Hyperspace 734:(1858), pp. 79–82. 580:(giving the shape of a 109:For example, a regular 739:Acta crystallographica 433:Excavated dodecahedron 383:excavated dodecahedron 375:compound of five cubes 367:uniform star polyhedra 21:Facet (disambiguation) 586:pentakis dodecahedron 640:derived the regular 19:For other uses, see 807:on 4 February 2007. 795:Olshevsky, George. 606:published his book 588:in Jamnitzer's book 377:are constructed by 284:regular icosahedron 778:Weisstein, Eric W. 648:) by faceting the 582:great dodecahedron 490:Regular compounds 310:great dodecahedron 117:, and the regular 78:faceted polyhedron 546: 545: 482: 481: 401:Vertex-transitive 355: 354: 320:great icosahedron 278:Faceted polyhedra 275: 274: 839: 808: 803:. Archived from 791: 790: 712: 704: 630:Stella octangula 621:regular compound 604:Wenzel Jamnitzer 570: 561: 542: 535: 528: 521: 484: 478: 471: 464: 457: 450: 443: 388: 351: 344: 337: 330: 293: 292: 271: 264: 257: 250: 243: 236: 229: 222: 215: 208: 162: 155: 148: 124: 123: 105:Faceted polygons 31: 847: 846: 842: 841: 840: 838: 837: 836: 812: 811: 772: 720: 715: 705: 701: 697: 692: 683:dual polyhedron 592: 591: 590: 589: 573: 572: 571: 563: 562: 551: 501:five tetrahedra 280: 195: 190: 185: 178: 170: 107: 95:convex polytope 74:space diagonals 35: 32: 24: 17: 12: 11: 5: 845: 835: 834: 829: 824: 810: 809: 792: 771: 770:External links 768: 767: 766: 756: 745: 735: 719: 716: 714: 713: 698: 696: 693: 691: 688: 687: 686: 674: 663: 642:star polyhedra 634: 613: 575: 574: 565: 564: 556: 555: 554: 553: 552: 550: 547: 544: 543: 536: 529: 522: 514: 513: 511:ten tetrahedra 508: 503: 498: 492: 491: 488: 480: 479: 472: 465: 458: 451: 444: 436: 435: 430: 425: 420: 415: 410: 404: 403: 398: 397:Uniform stars 395: 392: 379:face diagonals 353: 352: 345: 338: 331: 323: 322: 317: 312: 307: 301: 300: 299:Regular stars 297: 279: 276: 273: 272: 265: 258: 251: 244: 237: 230: 223: 216: 209: 201: 200: 197: 192: 187: 180: 175: 172: 164: 163: 156: 149: 141: 140: 135: 130: 106: 103: 70:face diagonals 45:(also spelled 25: 15: 9: 6: 4: 3: 2: 844: 833: 830: 828: 825: 823: 820: 819: 817: 806: 802: 798: 793: 788: 787: 782: 779: 774: 773: 764: 760: 757: 754: 750: 746: 743: 740: 736: 733: 729: 725: 722: 721: 710: 709: 703: 699: 684: 680: 675: 672: 668: 664: 661: 657: 654: 651: 647: 643: 639: 635: 632: 631: 626: 622: 618: 614: 611: 610: 605: 601: 600: 599: 597: 587: 583: 579: 576:Facetings of 569: 560: 541: 537: 534: 530: 527: 523: 520: 516: 515: 512: 509: 507: 504: 502: 499: 497: 494: 493: 486: 485: 477: 473: 470: 466: 463: 459: 456: 452: 449: 445: 442: 438: 437: 434: 431: 429: 426: 424: 421: 419: 416: 414: 411: 409: 406: 405: 402: 399: 394:Regular star 393: 390: 389: 386: 384: 380: 376: 372: 368: 364: 360: 350: 346: 343: 339: 336: 332: 329: 325: 321: 318: 316: 313: 311: 308: 306: 303: 302: 295: 294: 291: 289: 285: 270: 266: 263: 259: 256: 252: 249: 245: 242: 238: 235: 231: 228: 224: 221: 217: 214: 210: 207: 203: 199:Star decagon 193: 188: 184: 181: 176: 174:Star hexagon 173: 169: 166: 165: 161: 154: 147: 143: 139: 134: 129: 126: 125: 122: 120: 116: 112: 102: 100: 99:dual polytope 96: 92: 91: 86: 81: 79: 75: 71: 66: 64: 60: 56: 52: 48: 44: 40: 34: 30: 22: 805:the original 800: 784: 762: 752: 748: 741: 738: 731: 727: 724:Bertrand, J. 718:Bibliography 707: 702: 671:dodecahedron 660:dodecahedron 628: 619:described a 607: 593: 496:dodecahedron 408:dodecahedron 369:, and three 359:dodecahedron 357:The regular 356: 281: 108: 88: 82: 77: 72:or internal 67: 46: 42: 36: 26: 759:Alan Holden 656:icosahedron 578:icosahedron 305:icosahedron 87:process to 816:Categories 797:"Faceting" 781:"Faceting" 690:References 625:tetrahedra 596:stellation 506:five cubes 90:stellation 55:polyhedron 832:Polytopes 822:Polyhedra 786:MathWorld 636:In 1858, 615:In 1619, 168:Pentagram 115:pentagram 47:facetting 827:Polygons 638:Bertrand 602:In 1568 365:, three 194:Compound 189:Compound 183:Decagram 177:Compound 128:Pentagon 111:pentagon 63:vertices 59:polytope 43:faceting 39:geometry 681:to the 667:regular 650:regular 623:of two 549:History 487:Convex 391:Convex 296:Convex 196:2{5/2} 186:{10/3} 138:Decagon 133:Hexagon 119:hexagon 51:polygon 653:convex 617:Kepler 584:) and 381:. The 171:{5/2} 695:Notes 191:2{5} 179:2{3} 679:dual 658:and 282:The 85:dual 76:. A 742:A30 65:. 57:or 37:In 818:: 799:. 783:. 761:, 753:90 751:, 732:46 730:, 598:. 101:. 53:, 41:, 789:. 673:. 662:. 644:( 633:. 23:.

Index

Facet (disambiguation)

geometry
polygon
polyhedron
polytope
vertices
face diagonals
space diagonals
dual
stellation
convex polytope
dual polytope
pentagon
pentagram
hexagon
Pentagon
Hexagon
Decagon



Pentagram
Decagram





Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.

↑