This is slightly off-topic -- but for any kitchen nerds out there, Dave Arnold of Cooking Issues (amazing podcast[0]) and Searzall fame is doing a crowdfunding campaign[1] to build an "affordable" centrifuge for the kitchen/bar. His goal is to make it the next piece of high-end modernist cooking gear within reach of the home cook...
Not anywhere close to the $0.20 cost of this paper centrifuge, but still a pretty huge savings compared to the $6k-$10k units generally available currently.