The 9-fold Vampire Deltoid tiling was derived by K.P. Nischke using methods similar to the tilings in [ND96] . However, this tiling lacks full 9-fold symmetry.
download vectorformat 9-fold Vampire Deltoid
[ND96]
Nischke, K-P and Danzer, L
A construction of inflation rules based on $n$-fold symmetry
Discrete and Computational Geometry
1996,
15,2,
pp. 221-236,
96j:52035