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monitor the internal temperature, which ideally should be in the 30-35C range or lower if you
can get it.
If you'd like to lower the temperature further you can always buy a more powerful fan, but the
easiest thing to do is just crack the front door a little to increase airflow. But won't that let out
all of the volatile organic compounds coming off the hot end? The key is the negative pressure
combined with the fact that the particles are extremely small and light.
As you can see, the fan keeps the air flowing in and the harmful particles flowing into the vent
or filter.
3D Printer Design Matters
The other part of the equation is the printer design. Those printers where the hot end is at the
top of the enclosure make it easier to achieve higher temperatures because the hot air rises to
the top, and the vertical hot end position is fixed. Those printers with the hot ends at the
bottom are always going to have more problems managing temperature simply because the
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