Wow that's a new one. Porn huh? Weird....I wish I could say something smart right here, but this one has me at a loss wow. I would have wanted to take his head off too but if he was thinking he was following policy I guess it's not his fault either, just stupidity and ignorance about porn and 3d art tools I guess.....hmmm odd for sure. Are you still allowed to use the library? Can you maybe talk to someone higher up about this? Best of luck to you.