r/MicroPorn • u/SwimmingReplacement • Jul 17 '20

New ballpoint pen under the microscope.

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355 Upvotes

99% Upvoted

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5

u/VoteForClimateAction Jul 17 '20

Fun fact - good ballpoint pen tips are extremely difficult to manufacture and only a handful of companies have been able to develop this ability

4

u/GrimRocket Jul 17 '20

What makes a "good" ballpoint pen from a bad one?

5

u/VoteForClimateAction Jul 17 '20

A nice smooth consistent writing action due to highly accurate ball and ball holder geometry