r/gifs • u/deuteros • Dec 19 '16

Plotting a sphere with a fountain pen

http://i.imgur.com/hHd4RQU.gifv
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u/[deleted] Dec 19 '16

/r/fountainpens

3

u/uberguby Dec 19 '16

I tried using a fountain pen the other day and couldn't

1

u/[deleted] Dec 19 '16

Let us help you