It goes: Thunk. KA-CHUNK. bwaaaaaaaaaaaaaaaawwwwwwwwwww

It is indeed the alien power augmenter. The upper structure is basically just made up of some circular foundations and mk1 pipe though.

The rest of my factory doesn’t look nearly as nice haha

Without having tried that setting myself, I’m assuming that you have to keep moving the mouse to scroll, instead of just slightly moving the mouse once in a direction.