Well, that is what I am calling them. Best name I can come up with. Feel a bit like the old Chinese guy in 'Tremors' that can only come up with 'graboids' for a name.   First, appropriate thanks to @smartavionics for even putting this infill into Cura because most of the infills will block light getting into the shell and/or letting light pass through.   Second, a lot of people think I am a bit of the putz becauses I am just blunt. Ain't a mean bone in my body, but, well, jus