If anyone wants to make a Half-square Hilbert I made a toy to play with patterns. (fixed a bug from the first go)
I need fabric - so I plan to start maybe later this week.
https://codepen.io/fractalkitty/live/pvoBwxv/edc44d4417167d59d8b2c1d9ad574109
@shovemedia @simrob Yes - I blame you for this Rob :)