Penrose Tiling
Aperiodic rhomb or kite-and-dart tilings with five-fold symmetry and matching arcs.
Pens
Tile orientation and decoration family choose the color. Starts with 4 pens and works with anywhere from 1 to 8.
Settings
Tiles, Edge length (mm), Centre, Tile outlines, Decoration, Line spacing (mm), Gap (mm), Fill.
The preview uses the default settings on A4. Press R in the app for random variations. The SVG export is in millimetres with one Inkscape layer per pen, so it works with the AxiDraw extension, vpype and saxi.