I'm not clear, is the system enclosure plastic? Not trying to detract from this good-looking project, but that's not a great material for conducting out heat.

I'm not clear, is the system enclosure plastic? Not trying to detract from this good-looking project, but that's not a great material for conducting out heat. I did a 3D printed 10-HDD drive bay a while back using a glass-infused resin (higher HDT so it doesn't soften as easily over time and weight). Works great, but was wishing I had similar ease and accessibility of aluminum sheet metal manufacturing: https://grabcad.com/library/10-bay-hard-disk-drive-cage-for-phanteks-enthoo-primo-case-1 https://grabcad.com/library/10-bay-hard-disk-drive-cage-for-...