Spray Can Cap

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This revolutionizes everything the human race has achieved in the last 10,000 years, leading to the single most valuable tool in existence. Every breakthrough in thermoplastics, every moment spent by the pioneering RepRap team, every second of Edison's rejuvenating catnaps, every curve Newton drew, Euclid's marks on the dusty ground at Alexandria, agriculture, the first flake of flint noticed by a resourceful ape - each of these milestones is a vital link in an unbroken chain of progress that converges to this model. Alongside Archimedes, Turing, Salk, Berners-Lee, Stepanov, Von Liebig, and countless others who laid the groundwork for making this spray can a reality, Kelly Egan must be credited for creating the original design. I have enhanced Egan's masterpiece by expanding and directing the spray chamber, securing my place in history forever. Until 3D printers achieve sub-micron resolution, we need to empower the spray by forcing a hot needle through the nozzle. The key to maximizing aerosolization is left as an intellectual challenge for readers.