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Snub tetraheptagonal tiling
Poincaré disk model of the hyperbolic plane
Type	Hyperbolic uniform tiling
Vertex configuration	3.3.4.3.7
Schläfli symbol	sr{7,4} or $s{\begin{Bmatrix}7\\4\end{Bmatrix}}$
Wythoff symbol	\| 7 4 2
Coxeter diagram
Symmetry group	[7,4]⁺, (742)
Dual	Order-7-4 floret pentagonal tiling
Properties	Vertex-transitive Chiral

In geometry, the snub tetraheptagonal tiling is a uniform tiling of the hyperbolic plane. It has Schläfli symbol of sr{7,4}.

Images

Drawn in chiral pairs, with edges missing between black triangles:

The dual is called an order-7-4 floret pentagonal tiling, defined by face configuration V3.3.4.3.7.

The snub tetraheptagonal tiling is sixth in a series of snub polyhedra and tilings with vertex figure 3.3.4.3.n.

4n2 symmetry mutations of snub tilings: 3.3.4.3.n v t e
Symmetry 4n2	Spherical		Euclidean	Compact hyperbolic				Paracomp.
Symmetry 4n2	242	342	442	542	642	742	842	∞42
Snub figures
Config.	3.3.4.3.2	3.3.4.3.3	3.3.4.3.4	3.3.4.3.5	3.3.4.3.6	3.3.4.3.7	3.3.4.3.8	3.3.4.3.∞
Gyro figures
Config.	V3.3.4.3.2	V3.3.4.3.3	V3.3.4.3.4	V3.3.4.3.5	V3.3.4.3.6	V3.3.4.3.7	V3.3.4.3.8	V3.3.4.3.∞

Uniform heptagonal/square tilings v t e
Symmetry: [7,4], (*742)							[7,4]⁺, (742)	[7⁺,4], (7*2)	[7,4,1⁺], (*772)


{7,4}	t{7,4}	r{7,4}	2t{7,4}=t{4,7}	2r{7,4}={4,7}	rr{7,4}	tr{7,4}	sr{7,4}	s{7,4}	h{4,7}
Uniform duals


V7⁴	V4.14.14	V4.7.4.7	V7.8.8	V4⁷	V4.4.7.4	V4.8.14	V3.3.4.3.7	V3.3.7.3.7	V7⁷

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.