I wish v-market's site wasn't so slow from anywhere but japan, because god damn is it better than booth.
https://v-market.work/ec/items/2084/detail/
>>313800412
Yes, Vket3 factory and hanger
https://vrchat.com/home/world/wrld_aaa80246-a522-473c-8366-54ba54b44c02
https://vrchat.com/home/world/wrld_1fd69511-2cbf-4a4f-b875-521a8dabf7d5
There's a million things there, but there's also the fact that if you check the avatar authors they often have their own worlds with even more amazing shit. Sci-fi is hidden away pretty hard in VRC but you can find a lot more of it. 
Hopefully Orbital at vket 5 will have shit tons more.