Terrence McKenna describes the Machine Elves in the Dome

the dome is softly lit, indirectly lit, and the walls – if such they be – are crawling with geometric hallucinations: very brightly colored, very iridescent with deep sheens and very high reflective surfaces. Everything is machine-like and polished and throbbing with energy.

swarmed by squeaking, self-transforming elf-machines. These things which are made of light, and grammar, and sound that come chirping, and squealing, and tumbling toward you. And they say ‘Hooray! Welcome! You’re here!‘ like jeweled self-dribbling basketballs, these things come running forward

visible language that they create, is they are making gifts – they are making gifts for you. which condenses as something that looks like a cross between aSopwith Camel, a Havana cigar, a piece of abalone, an opal, and a nookie, and they offer it to you