Pinwheel Tile Pattern (Roller & Stamp)

This roller aims to create the Pinwheel tile pattern shown in the image on XPS foam or a similar material, using 2mm edges to cut a groove. The roll itself is just over 6 inches.
The tile pattern is provided as a reference of what the roller should create.

Updated 02/12/21: Fixed the normals
* TilePatterns-Pinwheel_Roller_211202.stl