Buy article online - an online subscription or single-article purchase is required to access this article.
![a logo](https://journals.iucr.org/logos/jicons/a_36x36.png)
Possible point groups and elastic properties are discussed for a solid with two-dimensional quasiperiodic and one-dimensional periodic structures. The point groups and Laue classes are given for such structures with Fourier modulus of rank 5. The numbers of independent second-order elastic constants are calculated and all quadratic invariants are derived for all symmetries.