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Snub apeiroapeirogonal tiling
Poincaré disk model of the hyperbolic plane
Type	Hyperbolic uniform tiling
Vertex configuration	3.3.∞.3.∞
Schläfli symbol	s{∞,4} sr{∞,∞} or $s{\begin{Bmatrix}\infty \\\infty \end{Bmatrix}}$
Wythoff symbol	\| ∞ ∞ 2
Coxeter diagram	or
Symmetry group	[∞,∞]⁺, (∞∞2)
Dual	Infinitely-infinite-order floret pentagonal tiling
Properties	Vertex-transitive Chiral

In geometry, the snub apeiroapeirogonal tiling is a uniform tiling of the hyperbolic plane. It has Schläfli symbol of s{∞,∞}. It has 3 equilateral triangles and 2 apeirogons around every vertex, with vertex figure 3.3.∞.3.∞.

Dual tiling

Paracompact uniform tilings in [∞,∞] family v t e
= =	= =	= =	= =	= =	=	=

{∞,∞}	t{∞,∞}	r{∞,∞}	2t{∞,∞}=t{∞,∞}	2r{∞,∞}={∞,∞}	rr{∞,∞}	tr{∞,∞}
Dual tilings


V∞^∞	V∞.∞.∞	V(∞.∞)²	V∞.∞.∞	V∞^∞	V4.∞.4.∞	V4.4.∞
Alternations
[1⁺,∞,∞] (*∞∞2)	[∞⁺,∞] (∞*∞)	[∞,1⁺,∞] (*∞∞∞∞)	[∞,∞⁺] (∞*∞)	[∞,∞,1⁺] (*∞∞2)	[(∞,∞,2⁺)] (2*∞∞)	[∞,∞]⁺ (2∞∞)


h{∞,∞}	s{∞,∞}	hr{∞,∞}	s{∞,∞}	h₂{∞,∞}	hrr{∞,∞}	sr{∞,∞}
Alternation duals


V(∞.∞)^∞	V(3.∞)³	V(∞.4)⁴	V(3.∞)³	V∞^∞	V(4.∞.4)²	V3.3.∞.3.∞

The snub tetrapeirogonal tiling is last in an infinite series of snub polyhedra and tilings with vertex figure 3.3.n.3.n.

4n2 symmetry mutations of snub tilings: 3.3.n.3.n
Symmetry 4n2	Spherical		Euclidean	Compact hyperbolic				Paracompact
Symmetry 4n2	222	322	442	552	662	772	882	∞∞2
Snub figures
Config.	3.3.2.3.2	3.3.3.3.3	3.3.4.3.4	3.3.5.3.5	3.3.6.3.6	3.3.7.3.7	3.3.8.3.8	3.3.∞.3.∞
Gyro figures
Config.	V3.3.2.3.2	V3.3.3.3.3	V3.3.4.3.4	V3.3.5.3.5	V3.3.6.3.6	V3.3.7.3.7	V3.3.8.3.8	V3.3.∞.3.∞

John H. Conway, Heidi Burgiel, Chaim Goodman-Strauss, The Symmetries of Things 2008, ISBN 978-1-56881-220-5 (Chapter 19, The Hyperbolic Archimedean Tessellations)
"Chapter 10: Regular honeycombs in hyperbolic space". The Beauty of Geometry: Twelve Essays. Dover Publications. 1999. ISBN 0-486-40919-8. LCCN 99035678.

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