I'm using an ender 3 with a 0.4mm nozzle
this post was submitted on 10 Oct 2024
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Don't dry filament in the oven. Simply put the filament spool on the print bed, set it to 60°C (PLA) or 70°C (PETG) and cover it with a cardboard box to trap the heat. Poke 3 holes in the box to lead damp air escape. Let it cook for 2-4h, then flip the spool and wait for another 2-4h. Store in air tight container with some silica gel to keep it dry.
You're completely right, I forgot about that method. I've used it in the past, it works great and is far more controllable and safe.