Here we have a new work, I call it red lozenges on a green field.  Actually I’m struggling with diplacement mapping at the moment. After the asphalt I was quietly confident but everything seems to have gone pear-shaped since then. Seems that sometimes it works as expected, as here, and sometimes it just doesn’t. Anyway, I’m trying to sneak up on it, start with something simple and slowly make it more complex, and see if I can work out what goes wrong.