Hey /g/, wanna see something gross? This is the filter on the

>>55756830
it's certainly doing its job
The CNC controller for the mill at my school is fucking spotless inside despite not being cleaned for months

>>55756861
I have to say, the build inside is clean. Though the lack of airflow after ~7-10 days brings the processor up to 80c when it's running the BTB software

The fact that the same shit is probably in my lungs is what concerns me. That's dominantly Turboforge oil, which is ultra fine graphite dust in mineral oil, which is used on the Neotechman forging machines.

Nasty shit, the ambient oil in the air turns white clothes gray in a few days