Johnson solid

Short description: 92 non-uniform convex polyhedra, with each face a regular polygon

J 37

), a Johnson solid

This 24 equilateral triangle example is not a Johnson solid because it is not convex

This 24-square example is not a Johnson solid because it is not strictly convex (has 180° dihedral angles)

In geometry, a Johnson solid is a strictly convex polyhedron each face of which is a regular polygon. There is no requirement that each face must be the same polygon, or that the same polygons join around each vertex. An example of a Johnson solid is the square-based pyramid with equilateral sides ( $J 1$ ); it has 1 square face and 4 triangular faces. Some authors require that the solid not be uniform (i.e., not Platonic solid, Archimedean solid, uniform prism, or uniform antiprism) before they refer to it as a "Johnson solid".

As in any strictly convex solid, at least three faces meet at every vertex, and the total of their angles is less than 360 degrees. Since a regular polygon has angles at least 60 degrees, it follows that at most five faces meet at any vertex. The pentagonal pyramid ( $J 2$ ) is an example that has a degree-5 vertex.

Although there is no obvious restriction that any given regular polygon cannot be a face of a Johnson solid, it turns out that the faces of Johnson solids which are not uniform (i.e., not a Platonic solid, Archimedean solid, uniform prism, or uniform antiprism) always have 3, 4, 5, 6, 8, or 10 sides.

In 1966, Norman Johnson published a list which included all 92 Johnson solids (excluding the 5 Platonic solids, the 13 Archimedean solids, the infinitely many uniform prisms, and the infinitely many uniform antiprisms), and gave them their names and numbers. He did not prove that there were only 92, but he did conjecture that there were no others. Victor Zalgaller in 1969 proved that Johnson's list was complete.

Of the Johnson solids, the elongated square gyrobicupola ( $J 37$ ), also called the pseudorhombicuboctahedron,^[1] is unique in being locally vertex-uniform: there are 4 faces at each vertex, and their arrangement is always the same: 3 squares and 1 triangle. However, it is not vertex-transitive, as it has different isometry at different vertices, making it a Johnson solid rather than an Archimedean solid.

Names

The naming of Johnson solids follows a flexible and precise descriptive formula, such that many solids can be named in different ways without compromising their accuracy as a description. Most Johnson solids can be constructed from the first few (pyramids, cupolae, and rotundas), together with the Platonic and Archimedean solids, prisms, and antiprisms; the centre of a particular solid's name will reflect these ingredients. From there, a series of prefixes are attached to the word to indicate additions, rotations, and transformations:

Bi-[<>] indicates that two copies of the solid in question are joined base-to-base. For cupolae and rotundas, the solids can be joined so that either like faces (ortho-) or unlike faces (gyro-[*]) meet. Using this nomenclature, an octahedron can be described as a square bipyramid[4<>], a cuboctahedron as a triangular gyrobicupola[3cc*], and an icosidodecahedron as a pentagonal gyrobirotunda[5rr*].
Elongated[=] indicates a prism is joined to the base of the solid in question, or between the bases in the case of Bi- solids. A rhombicuboctahedron can thus be described as an elongated square orthobicupola.
Gyroelongated[z] indicates an antiprism is joined to the base of the solid in question or between the bases in the case of Bi- solids. An icosahedron can thus be described as a gyroelongated pentagonal bipyramid.
Augmented[+] indicates another polyhedron, namely a pyramid or cupola, is joined to one or more faces of the solid in question.
Diminished[-] indicates a pyramid or cupola is removed from one or more faces of the solid in question.
Gyrate[*] indicates a cupola mounted on or featured in the solid in question is rotated such that different edges match up, as in the difference between ortho- and gyrobicupolae.

The last three operations—augmentation, diminution, and gyration—can be performed multiple times for certain large solids. Bi- & Tri- indicate a double and triple operation respectively. For example, a bigyrate solid has two rotated cupolae, and a tridiminished solid has three removed pyramids or cupolae.

In certain large solids, a distinction is made between solids where altered faces are parallel and solids where altered faces are oblique. Para- indicates the former, that the solid in question has altered parallel faces, and meta- the latter, altered oblique faces. For example, a parabiaugmented solid has had two parallel faces augmented, and a metabigyrate solid has had 2 oblique faces gyrated.

The last few Johnson solids have names based on certain polygon complexes from which they are assembled. These names are defined by Johnson^[2] with the following nomenclature:

A lune is a complex of two triangles attached to opposite sides of a square.
Spheno- indicates a wedgelike complex formed by two adjacent lunes. Dispheno- indicates two such complexes.
Hebespheno- indicates a blunt complex of two lunes separated by a third lune.
Corona is a crownlike complex of eight triangles.
Megacorona is a larger crownlike complex of 12 triangles.
The suffix -cingulum indicates a belt of 12 triangles.

Enumeration

Pyramids, cupolae, and rotundas

The first 6 Johnson solids are pyramids, cupolae, or rotundas with at most 5 lateral faces. Pyramids and cupolae with 6 or more lateral faces are coplanar and are hence not Johnson solids.

Pyramids

The first two Johnson solids, J1 and J2, are pyramids. The triangular pyramid is the regular tetrahedron, so it is not a Johnson solid. They represent sections of regular polyhedra.

Regular 3> T	J1 4>	J2 5>
Triangular pyramid (Tetrahedron)	Square pyramid	Pentagonal pyramid


Related regular polyhedra
Tetrahedron	Octahedron	Icosahedron

Cupolae and rotunda

The next four Johnson solids are three cupolae and one rotunda. They represent sections of uniform polyhedra.

Cupola				Rotunda
Uniform	J3 3c aC-	J4 4c	J5 5c	J6 5r aD-
Fastigium (Digonal cupola) (Triangular prism)	Triangular cupola	Square cupola	Pentagonal cupola	Pentagonal rotunda


Related uniform polyhedra
Rhombohedron	Cuboctahedron	Rhombicuboctahedron	Rhombicosidodecahedron	Icosidodecahedron

Modified pyramids

Johnson solids 7 to 17 are derived from pyramids.

Elongated and gyroelongated pyramids

In the gyroelongated triangular pyramid, three pairs of adjacent triangles are coplanar and form non-square rhombi, so it is not a Johnson solid.

Elongated pyramids			Gyroelongated pyramids
J7 3=>	J8 4=>	J9 5=>	Coplanar	J10 4z>	J11 5z> I-
Elongated triangular pyramid	Elongated square pyramid	Elongated pentagonal pyramid	Gyroelongated triangular pyramid (diminished trigonal trapezohedron)	Gyroelongated square pyramid	Gyroelongated pentagonal pyramid


Augmented from polyhedra
tetrahedron triangular prism	square pyramid cube	pentagonal pyramid pentagonal prism	tetrahedron octahedron	square pyramid square antiprism	pentagonal pyramid pentagonal antiprism

Bipyramids

The square bipyramid is the regular octahedron, while the gyroelongated pentagonal bipyramid is the regular icosahedron, so they are not Johnson solids. In the gyroelongated triangular bipyramid, six pairs of adjacent triangles are coplanar and form non-square rhombi, so it is also not a Johnson solid.

Bipyramids			Elongated bipyramids			Gyroelongated bipyramids
J12 3<>	Regular	J13 5<>	J14 3<=>	J15 4<=>	J16 5<=>	Coplanar	J17 4<z>	Regular
Triangular bipyramid	Square bipyramid (octahedron)	Pentagonal bipyramid	Elongated triangular bipyramid	Elongated square bipyramid	Elongated pentagonal bipyramid	Gyroelongated triangular bipyramid (trigonal trapezohedron)	Gyroelongated square bipyramid	Gyroelongated pentagonal bipyramid (icosahedron)


Augmented from polyhedra
tetrahedron	square pyramid	pentagonal pyramid	tetrahedron triangular prism	square pyramid cube	pentagonal pyramid pentagonal prism	tetrahedron Octahedron	square pyramid square antiprism	pentagonal pyramid pentagonal antiprism

Modified cupolae and rotundas

Johnson solids 18 to 48 are derived from cupolae and rotundas.

Elongated and gyroelongated cupolae and rotundas

Elongated cupola				Elongated rotunda	Gyroelongated cupola				Gyroelongated rotunda
Coplanar	J18 3c=	J19 4c= eC-	J20 5c=	J21 5r=	Concave	J22 3cz	J23 4cz	J24 5cz	J25 5rz
Elongated fastigium	Elongated triangular cupola	Elongated square cupola	Elongated pentagonal cupola	Elongated pentagonal rotunda	Gyroelongated fastigium	Gyroelongated triangular cupola	Gyroelongated square cupola	Gyroelongated pentagonal cupola	Gyroelongated pentagonal rotunda


Augmented from polyhedra
Square prism Triangular prism	Hexagonal prism Triangular cupola	Octagonal prism Square cupola	Decagonal prism Pentagonal cupola	Decagonal prism Pentagonal rotunda	square antiprism Triangular prism	Hexagonal antiprism Triangular cupola	Octagonal antiprism Square cupola	Decagonal antiprism Pentagonal cupola	Decagonal antiprism Pentagonal rotunda

Bicupolae

The triangular gyrobicupola is an Archimedean solid (in this case the cuboctahedron), so it is not a Johnson solid.

Orthobicupola				Gyrobicupola
Coplanar	J27 3cc	J28 4cc	J30 5cc	J26 2cc*	Semiregular	J29 4cc*	J31 5cc*
Orthobifastigium	Triangular orthobicupola	Square orthobicupola	Pentagonal orthobicupola	Gyrobifastigium	Triangular gyrobicupola (cuboctahedron)	Square gyrobicupola	Pentagonal gyrobicupola


Augmented from polyhedron
Triangular prism	Triangular cupola	Square cupola	Pentagonal cupola	Triangular prism	Triangular cupola	Square cupola	Pentagonal cupola

Cupola-rotundas and birotundas

The pentagonal gyrobirotunda is an Archimedean solid (in this case the icosidodecahedron), so it is not a Johnson solid.

Cupola-rotunda		Birotunda
J32 5cr	J33 5cr*	J34 5rr aD*	Semiregular
Pentagonal orthocupolarotunda	Pentagonal gyrocupolarotunda	Pentagonal orthobirotunda	Pentagonal gyrobirotunda (icosidodecahedron)


Augmented from polyhedra
Pentagonal cupola Pentagonal rotunda		Pentagonal rotunda

Elongated bicupolae

The elongated square orthobicupola is an Archimedean solid (in this case the rhombicuboctahedron), so it is not a Johnson solid.

Elongated orthobicupola				Elongated gyrobicupola
Coplanar	J35 3c=c	Semiregular	J38 5c=c	Coplanar	J36 3c=c*	J37 4c=c* eC*	J39 5c=c*
Elongated orthobifastigium	Elongated triangular orthobicupola	Elongated square orthobicupola (rhombicuboctahedron)	Elongated pentagonal orthobicupola	Elongated gyrobifastigium	Elongated triangular gyrobicupola	Elongated square gyrobicupola	Elongated pentagonal gyrobicupola


Augmented from polyhedra
Square prism Triangular prism	Hexagonal prism Triangular cupola	Octagonal prism Square cupola	Decagonal prism Pentagonal cupola	Square prism Triangular prism	Hexagonal prism Triangular cupola	Octagonal prism Square cupola	Decagonal prism Pentagonal cupola

Elongated cupola-rotundas and birotundas

Elongated cupola-rotunda		Elongated birotunda
J40 5c=r	J41 5c=r*	J42 5r=r	J43 5r=r*
Elongated pentagonal orthocupolarotunda	Elongated pentagonal gyrocupolarotunda	Elongated pentagonal orthobirotunda	Elongated pentagonal gyrobirotunda


Augmented from polyhedra
Decagonal prism Pentagonal cupola Pentagonal rotunda		Decagonal prism Pentagonal rotunda
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Gyroelongated bicupolae, cupola-rotundas, and birotundas

These Johnson solids have 2 chiral forms.

Gyroelongated bicupola				Gyroelongated cupola-rotunda	Gyroelongated birotunda
Concave	J44 3czc	J45 4czc	J46 5czc	J47 5czr	J48 5rzr
Gyroelongated bifastigium	Gyroelongated triangular bicupola	Gyroelongated square bicupola	Gyroelongated pentagonal bicupola	Gyroelongated pentagonal cupolarotunda	Gyroelongated pentagonal birotunda


Augmented from polyhedra
Triangular prism Square antiprism	Triangular cupola Hexagonal antiprism	Square cupola Octagonal antiprism	Pentagonal cupola Decagonal antiprism	Pentagonal cupola Pentagonal rotunda Decagonal antiprism	Pentagonal rotunda Decagonal antiprism
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Augmented prisms

Johnson solids 49 to 57 are built by augmenting the sides of prisms with square pyramids.

Augmented triangular prisms			Augmented pentagonal prisms		Augmented hexagonal prisms
J49 3=+	J50 3=++	J51 3=+++	J52 5=+	J53 5=++	J54 6=+	J55 6=++	J56 6=+x	J57 6=+++
Augmented triangular prism	Biaugmented triangular prism	Triaugmented triangular prism	Augmented pentagonal prism	Biaugmented pentagonal prism	Augmented hexagonal prism	Parabiaugmented hexagonal prism	Metabiaugmented hexagonal prism	Triaugmented hexagonal prism


Augmented from polyhedra
Triangular prism Square pyramid			Pentagonal prism Square pyramid		Hexagonal prism Square pyramid

J8 and J15 would also fit here, as an augmented square prism and biaugmented square prism.

Modified Platonic solids

Johnson solids 58 to 64 are built by augmenting or diminishing Platonic solids.

Augmented dodecahedra

J58 D+	J59 D++	J60 D+x	J61 D+++
Augmented dodecahedron	Parabiaugmented dodecahedron	Metabiaugmented dodecahedron	Triaugmented dodecahedron


Augmented from polyhedra
Dodecahedron and pentagonal pyramid

Diminished and augmented diminished icosahedra

Diminished icosahedron				Augmented tridiminished icosahedron
J11 (Repeated)	Uniform	J62 I-/	J63 I---	J64 I---+
Diminished icosahedron (Gyroelongated pentagonal pyramid)	Parabidiminished icosahedron (Pentagonal antiprism)	Metabidiminished icosahedron	Tridiminished icosahedron	Augmented tridiminished icosahedron

Modified Archimedean solids

Johnson solids 65 to 83 are built by augmenting, diminishing or gyrating Archimedean solids.

Augmented Archimedean solids

Augmented truncated tetrahedron	Augmented truncated cubes		Augmented truncated dodecahedra
J65 tT+	J66 tC+	J67 tC++	J68 tD+	J69 tD++	J70 tD+x	J71 tD+++
Augmented truncated tetrahedron	Augmented truncated cube	Biaugmented truncated cube	Augmented truncated dodecahedron	Parabiaugmented truncated dodecahedron	Metabiaugmented truncated dodecahedron	Triaugmented truncated dodecahedron


Augmented from polyhedra
truncated tetrahedron triangular cupola	truncated cube square cupola		truncated dodecahedron pentagonal cupola

Gyrate and diminished rhombicosidodecahedra

Gyrate rhombicosidodecahedra
J72 eD*	J73 eD**	J74 eD*'	J75 eD***
Gyrate rhombicosidodecahedron	Parabigyrate rhombicosidodecahedron	Metabigyrate rhombicosidodecahedron	Trigyrate rhombicosidodecahedron


Diminished rhombicosidodecahedra
J76 eD-	J80 eD--	J81 eD-/	J83 eD---
Diminished rhombicosidodecahedron	Parabidiminished rhombicosidodecahedron	Metabidiminished rhombicosidodecahedron	Tridiminished rhombicosidodecahedron


Gyrate diminished rhombicosidodecahedra
J77 -*	J78 -'	J79 -**	J82 --*
Paragyrate diminished rhombicosidodecahedron	Metagyrate diminished rhombicosidodecahedron	Bigyrate diminished rhombicosidodecahedron	Gyrate bidiminished rhombicosidodecahedron

J37 would also appear here as a duplicate (it is a gyrate rhombicuboctahedron).

Other gyrate and diminished archimedean solids

Other archimedean solids can be gyrated and diminished, but they all result in previously counted solids.

J27	J3	J34	J6	J37	J19	Uniform
Gyrate cuboctahedron (triangular orthobicupola)	Diminished cuboctahedron (triangular cupola)	Gyrate icosidodecahedron (pentagonal orthobirotunda)	Diminished icosidodecahedron (pentagonal rotunda)	Gyrate rhombicuboctahedron (elongated square gyrobicupola)	Diminished rhombicuboctahedron (elongated square cupola)	Bidiminished rhombicuboctahedron (octagonal prism)


Gyrated or diminished from polyhedra
Cuboctahedron		Icosidodecahedron		Rhombicuboctahedron

Elementary solids

Johnson solids 84 to 92 are not derived from "cut-and-paste" manipulations of uniform solids.

Snub antiprisms

The snub antiprisms can be constructed as an alternation of a truncated antiprism. The gyrobianticupolae are another construction for the snub antiprisms. Only snub antiprisms with at most 4 sides can be constructed from regular polygons. The snub triangular antiprism is the regular icosahedron, so it is not a Johnson solid.

J84	Regular	J85
Snub disphenoid ss{2,4}	Icosahedron ss{2,6}	Snub square antiprism ss{2,8}
Digonal gyrobianticupola	Triangular gyrobianticupola	Square gyrobianticupola

Others

J86	J87	J88
Sphenocorona	Augmented sphenocorona	Sphenomegacorona


J89	J90	J91	J92
Hebesphenomegacorona	Disphenocingulum	Bilunabirotunda	Triangular hebesphenorotunda

Classification by types of faces

Triangle-faced Johnson solids

Five Johnson solids are deltahedra, with all equilateral triangle faces:

J12 Triangular bipyramid J13 Pentagonal bipyramid J17 Gyroelongated square bipyramid	J51 Triaugmented triangular prism J84 Snub disphenoid

Triangle and square-faced Johnson solids

Twenty four Johnson solids have only triangle or square faces:

Triangle and pentagon-faced Johnson solids

Eleven Johnson solids have only triangle and pentagon faces:

Triangle, square, and pentagon-faced Johnson solids

Twenty Johnson solids have only triangle, square, and pentagon faces:

Triangle, square, and hexagon-faced Johnson solids

Eight Johnson solids have only triangle, square, and hexagon faces:

J3 Triangular cupola J18 Elongated triangular cupola J22 Gyroelongated triangular cupola J54 Augmented hexagonal prism	J55 Parabiaugmented hexagonal prism J56 Metabiaugmented hexagonal prism J57 Triaugmented hexagonal prism J65 Augmented truncated tetrahedron

Triangle, square, and octagon-faced Johnson solids

Five Johnson solids have only triangle, square, and octagon faces:

J4 Square cupola J19 Elongated square cupola J23 Gyroelongated square cupola	J66 Augmented truncated cube J67 Biaugmented truncated cube

Triangle, pentagon, and decagon-faced Johnson solids

Two Johnson solids have only triangle, pentagon, and decagon faces:

J06 Pentagonal rotunda J25 Gyroelongated pentagonal rotunda

Triangle, square, pentagon, and hexagon-faced Johnson solids

Only one Johnson solid has triangle, square, pentagon, and hexagon faces:

J92 Triangular hebesphenorotunda

Triangle, square, pentagon, and decagon-faced Johnson solids

Sixteen Johnson solids have only triangle, square, pentagon, and decagon faces:

Circumscribable Johnson solids

25 of the Johnson solids have vertices that exist on the surface of a sphere: 1–6,11,19,27,34,37,62,63,72–83. All of them can be seen to be related to a regular or uniform polyhedra by gyration, diminishment, or dissection.^[3]

Octahedron	Cuboctahedron		Rhombicuboctahedron
J1	J3	J27	J4	J19	J37

Icosahedron				Icosidodecahedron
J2	J11	J62	J63	J6	J34

Rhombicosidodecahedron
J5	J72	J73	J74	J75	J76	J77
J5	J78	J79	J80	J81	J82	J83

References

Johnson, Norman W. (1966). "Convex Solids with Regular Faces". Canadian Journal of Mathematics 18: 169–200. doi:10.4153/cjm-1966-021-8. ISSN 0008-414X. Contains the original enumeration of the 92 solids and the conjecture that there are no others.
Zalgaller, Victor A. (1967). "Convex Polyhedra with Regular Faces" (in ru). Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 2: 1–221. ISSN 0373-2703. The first proof that there are only 92 Johnson solids. English translation: Zalgaller, Victor A. (1969). "Convex Polyhedra with Regular Faces". Seminars in Mathematics, V. A. Steklov Math. Inst., Leningrad (Consultants Bureau) 2. ISSN 0080-8873.
Anthony Pugh (1976). Polyhedra: A visual approach. California: University of California Press Berkeley. ISBN 0-520-03056-7. Chapter 3 Further Convex polyhedra
Timofeenko, A.V. (2009). "The Non-Platonic and Non-Archimedean Noncomposite Polyhedra" (in en). J. Math. Sci. 162 (5): 710–729. doi:10.1007/s10958-009-9655-0. [1]

olyhedra." J. Math. Sci. 162, 710-729, 2009.

↑ GWH. "Pseudo Rhombicuboctahedra". http://www.georgehart.com/virtual-polyhedra/pseudo-rhombicuboctahedra.html.
↑ George Hart (quoting Johnson) (1996). "Johnson Solids". http://www.georgehart.com/virtual-polyhedra/johnson-info.html.
↑ Klitzing, Dr. Richard. "Johnson solids et al.". http://bendwavy.org/klitzing/explain/johnson.htm.

External links

Gagnon, Sylvain (1982). "Les polyèdres convexes aux faces régulières". Structural Topology (6): 83–95. https://upcommons.upc.edu/bitstream/handle/2099/890/st6-11-a7.pdf.
Paper Models of Polyhedra Many links
Johnson Solids by George W. Hart.
Images of all 92 solids, categorized, on one page
Weisstein, Eric W.. "Johnson Solid". http://mathworld.wolfram.com/JohnsonSolid.html.
VRML models of Johnson Solids by Jim McNeill
VRML models of Johnson Solids by Vladimir Bulatov
CRF polychora discovery project attempts to discover CRF polychora (Convex 4-dimensional polytopes with Regular polygons as 2-dimensional Faces), a generalization of the Johnson solids to 4-dimensional space
https://levskaya.github.io/polyhedronisme/ a generator of polyhedrons and Conway operations applied to them, including Johnson solids.

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Original source: https://en.wikipedia.org/wiki/Johnson solid. Read more

[1] GWH. "Pseudo Rhombicuboctahedra". http://www.georgehart.com/virtual-polyhedra/pseudo-rhombicuboctahedra.html.

[2] George Hart (quoting Johnson) (1996). "Johnson Solids". http://www.georgehart.com/virtual-polyhedra/johnson-info.html.

[3] Klitzing, Dr. Richard. "Johnson solids et al.". http://bendwavy.org/klitzing/explain/johnson.htm.

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v t e Johnson solids
Pyramids, cupolae and rotundae	square pyramid pentagonal pyramid triangular cupola square cupola pentagonal cupola pentagonal rotunda
Modified pyramids	elongated triangular pyramid elongated square pyramid elongated pentagonal pyramid gyroelongated square pyramid gyroelongated pentagonal pyramid triangular bipyramid square bipyramid pentagonal bipyramid elongated triangular bipyramid elongated square bipyramid elongated pentagonal bipyramid gyroelongated square bipyramid
Modified cupolae and rotundae	elongated triangular cupola elongated square cupola elongated pentagonal cupola elongated pentagonal rotunda gyroelongated triangular cupola gyroelongated square cupola gyroelongated pentagonal cupola gyroelongated pentagonal rotunda gyrobifastigium triangular orthobicupola square orthobicupola square gyrobicupola pentagonal orthobicupola pentagonal gyrobicupola pentagonal orthocupolarotunda pentagonal gyrocupolarotunda pentagonal orthobirotunda elongated triangular orthobicupola elongated triangular gyrobicupola elongated square gyrobicupola elongated pentagonal orthobicupola elongated pentagonal gyrobicupola elongated pentagonal orthocupolarotunda elongated pentagonal gyrocupolarotunda elongated pentagonal orthobirotunda elongated pentagonal gyrobirotunda gyroelongated triangular bicupola gyroelongated square bicupola gyroelongated pentagonal bicupola gyroelongated pentagonal cupolarotunda gyroelongated pentagonal birotunda
Augmented prisms	augmented triangular prism biaugmented triangular prism triaugmented triangular prism augmented pentagonal prism biaugmented pentagonal prism augmented hexagonal prism parabiaugmented hexagonal prism metabiaugmented hexagonal prism triaugmented hexagonal prism
Modified Platonic solids	augmented dodecahedron parabiaugmented dodecahedron metabiaugmented dodecahedron triaugmented dodecahedron metabidiminished icosahedron tridiminished icosahedron augmented tridiminished icosahedron
Modified Archimedean solids	augmented truncated tetrahedron augmented truncated cube biaugmented truncated cube augmented truncated dodecahedron parabiaugmented truncated dodecahedron metabiaugmented truncated dodecahedron triaugmented truncated dodecahedron gyrate rhombicosidodecahedron parabigyrate rhombicosidodecahedron metabigyrate rhombicosidodecahedron trigyrate rhombicosidodecahedron diminished rhombicosidodecahedron paragyrate diminished rhombicosidodecahedron metagyrate diminished rhombicosidodecahedron bigyrate diminished rhombicosidodecahedron parabidiminished rhombicosidodecahedron metabidiminished rhombicosidodecahedron gyrate bidiminished rhombicosidodecahedron tridiminished rhombicosidodecahedron
Elementary solids	snub disphenoid snub square antiprism sphenocorona augmented sphenocorona sphenomegacorona hebesphenomegacorona disphenocingulum bilunabirotunda triangular hebesphenorotunda
(See also List of Johnson solids, a sortable table)

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