How to print ASA safe in a not so good ventilated basement?
 
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How to print ASA safe in a not so good ventilated basement?  

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simmania
(@simmania)
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How to print ASA safe in a not so good ventilated basement?

Hi,
I ordered a Prusa Core One L. I want to print large ASA objects. I therefore those the Core One L.
I need to place the printer in the basement. This space is not very good ventilated. There is one 120 mm opening to the outside world.
I want to print safe and take care of the toxic fumes. So I ordered the Core One L with the extra filter and fan.
But I do not think that is enough.

So I was thinking: what about connecting the output of that filter with a hose to this opening to the outside world so that all fumes are blown outside the basement?
Problem with that is that I will blow hot air to the outside world. Somewhere cold air will be sucked in. So the basement will cool down and I think the printer chamber temperature will drop too.

How to prevent this? I have a heat exchanger laying around. Could that help? Then I would need some input to the printer chamber to be able to blow the preheated air into the printer. But that will still be a relative low temperature. So you will get all kind of cold air flow inside the printer chamber. Not good.

Putting the whole printer inside a second chamber that is connected to the heat exchanger may be an option? But placing the whole printer inside a chamber that is significant warmer than standard environment temperatures may be not good for the printer. The electronics (and especially the power supply) is not designed for that. Resulting an fire danger.

So what  should I do? Any ideas?

Posted : 06/02/2026 11:01 am
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