Day 31 of posting screenshots every day, of whatever I've been working on that day, until I run out of content or get bored

DONE!

All things considered, I'm satisfied with it. I honestly can't say I like it, though. Much more of a giant cube than I'd have liked. But I did everything I set out to do with it, and I'm ready to move on.

Also, finally made it to 100% efficiency on the last machine in the chain.