The predefined Groups according to this Wikipedia entry
Create a pattern width the specific width and/or height. For triangle shaped pattern only the width of the base line is needed.
module WallpaperGroup.Group exposing (..)
{-|
The predefined Groups according to
[this](https://en.wikipedia.org/wiki/Wallpaper_group) Wikipedia entry
@docs Group
-}
{-|
Create a pattern width the specific width and/or height.
For triangle shaped pattern only the width of the base line is needed.
-}
type Group
= P1 Float Float
| P2 Float Float
| Pm Float Float
| Pg Float Float
| Cm Float Float
| P2mm Float Float
| P2mg Float Float
| P2gg Float Float
| C2mm Float Float
| P4 Float Float
| P4mm Float Float
| P4mg Float Float
| P3 Float
| P3m1 Float
| P31m Float
| P6 Float