Ars est geometria iterata!
Micron 12 (0.7mm)
Irregular tiled pattern around 8 sided star
Pattern from Esrefoglu Mosque, Beysehir, Turkey, 1297 CE. (see: "Islamic Geometric Patterns", E. Broug, 2008, p.37).
Going through old drawings, 2012 - details shown from 2 different drawings.
Offsetting the pattern by one square changes how it meets at the corners as you can see in this drawing
5 symmetry on dot grid paper with steps
Zebra SARASA Pen 0.5
Dot grid paper