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Here's a part of a cabinet in my wardrobe where my printer lives. It's a bit noisy with all those hard surfaces so I am just about to put up some foam padding on all 5 sides.
Is that stupidly dangerous?
You can see I have a smoke alarm there, but it won't stop a fire on its own.
Edit: the cabinet has no door, it's always open like in the photo, but the wardrobe door is generally closed. The room has some ventilation so smells do go away.
I'm not an expert here, but looking at the volume of the space, you're probably going to be fine. Why don't you add a small fan in the back of the enclosure to get some more airflow?
I'm new to this, but isn't airflow a bad thing? Dust and uneven cooling of the build?
Yeah like the other commenter says, bad to have direct airflow, but you can have a fan at the top circulating some air through the space