I like the thermal mass of glass for temperature stability, as I’ve found that’s pretty key to getting good print adhesion. But I really wanted to try out PEI without having to stick a giant magnet directly to my heater plate, something I definitely did not trust.
Turns out, you can solve both problems! This was how I did it.
Literally no one takes sheet glass here for recycling. Bottles, yes. Sheet glass, no.
I can throw all metals in with curbside metals recycling.
Therefore, for me, metal is recyclable and sheet glass is not.