Discussion of known convex regular-faced polytopes, including the Johnson solids in 3D, and higher dimensions; and the discovery of new ones.
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- Angles between intersecting objects
by PatrickPowers » Tue Jul 05, 2022 5:03 am
- 3 Replies
- 24 Views
- Last post by PatrickPowers
Thu Jul 07, 2022 4:32 am
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- Potential crown jewel verf
by mr_e_man » Thu Nov 11, 2021 11:12 pm
- 7 Replies
- 674 Views
- Last post by quickfur
Fri Apr 22, 2022 6:24 pm
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- I'm back with (what I hope is) a new CRF
by New Kid on the 4D analog of a Block » Tue Aug 06, 2019 6:32 am
- 5 Replies
- 2639 Views
- Last post by Klitzing
Fri Apr 08, 2022 5:02 pm
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- New lace term?
by student91 » Mon Mar 31, 2014 5:25 pm
- 54 Replies
- 28454 Views
- Last post by Klitzing
Tue Apr 05, 2022 5:55 pm
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- Relatives of spidrox
by mr_e_man » Mon Mar 07, 2022 1:41 pm
- 1 Replies
- 194 Views
- Last post by username5243
Tue Mar 08, 2022 8:21 pm
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- higher-dimensional CRFs
by Klitzing » Sun Dec 13, 2015 1:37 pm
- 72 Replies
- 36893 Views
- Last post by mr_e_man
Tue Feb 15, 2022 1:34 am
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- How to find a CRF
by ubersketch » Sat Jul 13, 2019 9:12 pm
- 14 Replies
- 5163 Views
- Last post by Klitzing
Wed Feb 09, 2022 9:55 pm
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- General Approach--can 3D methods be generalized?
by ytrepus » Fri May 16, 2014 3:52 pm
- 114 Replies
- 58082 Views
- Last post by quickfur
Tue Dec 07, 2021 10:07 pm
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- List of verfs of CRF polyhedra
by mr_e_man » Wed Nov 11, 2020 7:50 pm
- 5 Replies
- 1310 Views
- Last post by mr_e_man
Sun Nov 21, 2021 8:11 pm
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- 3D CRF honeycombs
by mr_e_man » Tue Jan 12, 2021 2:49 am
- 33 Replies
- 4788 Views
- Last post by Klitzing
Mon Sep 20, 2021 5:03 pm
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- Non-Euclidean CRFs
by mr_e_man » Sat Dec 01, 2018 11:56 pm
- 20 Replies
- 6821 Views
- Last post by mr_e_man
Thu Sep 02, 2021 6:13 pm
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- Zalgaller's proof of 92 Johnson solids
by mr_e_man » Thu Apr 08, 2021 1:35 am
- 2 Replies
- 792 Views
- Last post by quickfur
Sun May 16, 2021 4:20 pm
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- All Johnson volumes found!
by URL » Mon Feb 15, 2021 12:14 am
- 0 Replies
- 581 Views
- Last post by URL
Mon Feb 15, 2021 12:14 am
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- Augmented polyhedral prisms
by quickfur » Sat Apr 12, 2014 2:59 pm
- 87 Replies
- 42646 Views
- Last post by mr_e_man
Thu Feb 11, 2021 7:26 am
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- what is the 5D vector equilibrium?
by Sphericality » Mon Nov 21, 2016 1:49 pm
- 21 Replies
- 13193 Views
- Last post by szluk
Mon Feb 08, 2021 10:00 am
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- Derivation of 3D crown jewels
by quickfur » Thu Jun 05, 2014 9:44 pm
- 17 Replies
- 9046 Views
- Last post by mr_e_man
Wed Oct 28, 2020 1:00 am
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- Algebraic coordinates for 3D crown jewels
by quickfur » Thu May 24, 2018 8:18 pm
- 13 Replies
- 4413 Views
- Last post by quickfur
Wed Sep 09, 2020 5:30 am
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- Squap verf
by mr_e_man » Fri May 01, 2020 3:17 am
- 8 Replies
- 3354 Views
- Last post by mr_e_man
Fri May 15, 2020 5:42 am
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- Relative of the grand antiprism?
by username5243 » Mon Mar 16, 2020 8:14 pm
- 3 Replies
- 2360 Views
- Last post by quickfur
Tue Apr 28, 2020 12:02 am
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- Higher-dimensional antiprisms
by quickfur » Thu Jan 10, 2019 7:04 am
- 16 Replies
- 6157 Views
- Last post by Klitzing
Mon Mar 30, 2020 3:51 pm
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- D4.10 and D4.11
by quickfur » Wed Mar 12, 2014 1:14 am
- 48 Replies
- 28493 Views
- Last post by Klitzing
Sun Mar 15, 2020 10:27 pm
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- Interesting vertex-faceting of the grand antiprism
by Mercurial, the Spectre » Thu Mar 05, 2020 6:25 pm
- 2 Replies
- 2015 Views
- Last post by Klitzing
Fri Mar 06, 2020 10:08 am
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- How many cuboctahedra in the 24 cell?
by Sphericality » Thu Jun 20, 2019 11:48 am
- 4 Replies
- 2995 Views
- Last post by Mercurial, the Spectre
Sun Sep 22, 2019 8:37 pm
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- Interesting 600-cell diminishings
by quickfur » Fri Jan 29, 2016 12:17 am
- 22 Replies
- 12882 Views
- Last post by Klitzing
Wed Mar 20, 2019 8:38 am
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- Elementary Polychora
by ndl » Wed Jan 09, 2019 2:02 am
- 36 Replies
- 12279 Views
- Last post by ndl
Sun Mar 17, 2019 12:37 pm
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- Number of CRF polychora
by quickfur » Tue Mar 25, 2014 7:46 pm
- 38 Replies
- 19505 Views
- Last post by quickfur
Tue Mar 12, 2019 4:27 pm
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- Naming of duoprism augmentations
by quickfur » Tue Mar 05, 2019 11:12 pm
- 8 Replies
- 3510 Views
- Last post by quickfur
Thu Mar 07, 2019 8:32 pm
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- Question about 3 || gybef
by ndl » Wed Mar 06, 2019 7:04 am
- 2 Replies
- 1995 Views
- Last post by Klitzing
Wed Mar 06, 2019 3:09 pm
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- Segmentochora
by ndl » Thu Feb 28, 2019 2:44 am
- 4 Replies
- 2380 Views
- Last post by ndl
Fri Mar 01, 2019 2:03 pm
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- axial CRFs
by Klitzing » Sun Apr 17, 2016 4:12 pm
- 78 Replies
- 41368 Views
- Last post by quickfur
Mon Jan 14, 2019 11:22 pm
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- List of CRF polychora ordered by cell count?
by Catisfluffy » Wed Sep 19, 2018 10:02 pm
- 6 Replies
- 3247 Views
- Last post by Klitzing
Fri Sep 28, 2018 7:28 pm
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- Regarding D4.8.x
by New Kid on the 4D analog of a Block » Fri Sep 14, 2018 2:26 am
- 4 Replies
- 2614 Views
- Last post by Klitzing
Mon Sep 17, 2018 9:01 pm
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- Uniform polyterons and 120-cell family
by hy.dodec » Sun Nov 19, 2017 6:06 am
- 4 Replies
- 3310 Views
- Last post by wendy
Fri Aug 31, 2018 12:07 pm
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- More ideas about searching for (non-EKF) CRF crown jewels
by quickfur » Wed Feb 14, 2018 1:17 am
- 19 Replies
- 7687 Views
- Last post by Klitzing
Wed Aug 15, 2018 8:38 pm
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- Regular polytopes
by Prashantkrishnan » Fri Dec 26, 2014 4:22 pm
- 16 Replies
- 10175 Views
- Last post by Klitzing
Mon Feb 26, 2018 5:38 pm
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- Another CRF idea inspired by snub disphenoid
by quickfur » Fri Oct 20, 2017 6:59 pm
- 0 Replies
- 2050 Views
- Last post by quickfur
Fri Oct 20, 2017 6:59 pm
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- Facet layout diagrams make no sense whatsoever.
by Catisfluffy » Sat Aug 19, 2017 9:19 pm
- 4 Replies
- 3444 Views
- Last post by Catisfluffy
Wed Aug 23, 2017 7:06 pm
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- automated coordinates from CD-symbols
by student91 » Wed Jul 05, 2017 4:55 pm
- 3 Replies
- 2916 Views
- Last post by quickfur
Fri Jul 07, 2017 11:00 pm
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- A few monostratic polychora
by username5243 » Sun Apr 16, 2017 12:57 pm
- 2 Replies
- 2521 Views
- Last post by Klitzing
Sun Apr 16, 2017 10:17 pm
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- n dimensional simplex vertex to centerpoint length ?
by Sphericality » Wed Nov 02, 2016 12:44 am
- 9 Replies
- 6538 Views
- Last post by Sphericality
Wed Nov 16, 2016 9:34 am
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- Snub disphenoid based CRF?
by quickfur » Wed May 04, 2016 2:27 pm
- 47 Replies
- 27498 Views
- Last post by wendy
Thu Nov 10, 2016 12:33 am
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- A different way to expand an ursatope?
by quickfur » Wed Mar 09, 2016 6:25 am
- 101 Replies
- 60715 Views
- Last post by quickfur
Wed Jul 06, 2016 1:22 am
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- Edge lengths of x, f, o, etc.
by student91 » Thu Jun 23, 2016 1:32 pm
- 2 Replies
- 2443 Views
- Last post by quickfur
Wed Jun 29, 2016 6:27 pm
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- Crown Jewels
by JMBR » Wed Apr 13, 2016 11:27 am
- 8 Replies
- 4925 Views
- Last post by quickfur
Wed May 11, 2016 5:34 pm
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- Discrete Hopf fibrations.
by cloudswrest » Fri Oct 30, 2015 4:16 pm
- 8 Replies
- 6540 Views
- Last post by quickfur
Thu Nov 19, 2015 7:05 pm
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- Expanded Kaleido-Facetings based on the Icositetrachoron
by Klitzing » Wed Sep 10, 2014 10:32 pm
- 7 Replies
- 6329 Views
- Last post by Klitzing
Wed Sep 02, 2015 10:10 am
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- Publishing an article on BTP polytopes
by Klitzing » Fri Jul 25, 2014 1:08 pm
- 17 Replies
- 10173 Views
- Last post by Polyhedron Dude
Sat Aug 15, 2015 2:03 am
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- Construction of BT-polytopes via partial Stott-expansion
by student91 » Fri May 02, 2014 12:40 pm
- 193 Replies
- 94277 Views
- Last post by Klitzing
Sun Aug 09, 2015 9:40 pm
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- Bruteforce searching for deltachorons
by PythagorasReincarnated » Sat Jul 25, 2015 10:00 am
- 3 Replies
- 3191 Views
- Last post by quickfur
Mon Jul 27, 2015 6:03 pm
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- CRFs with duoprismic symmetry
by Klitzing » Wed Mar 12, 2014 10:39 pm
- 21 Replies
- 12017 Views
- Last post by Klitzing
Fri May 01, 2015 10:19 am
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