

Yeah, I dry my filament (especially PETG) with one of those too. I don’t have to use glue, it just makes PETG easier to remove from the plate. Otherwise it can stick to the plate too well (had a case where I removed the model with some of the PEI coating).
Exactly what I’m talking about, this is why I’m using glue. If you’re talking about a textured plate it’s probably PEI