Bare Minimum Spool "Roller" Holder

Print from your cereal drybox. No bearings to buy and degrease. 17g of filament. I suppose this is "yet another" spool roller holder, but the existing ones a) require a good deal of filament, b) do more than just hold the spool, c) the ones intended for holding a spool while you print pretty much all require 4 bearings. This design does away with bearings and silica compartments and hydrometer holders and focuses on the job at hand: printing from your cereal drybox. Instead of ball beari