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Rubber ducks, proofs left as an exercise and code that worked at 3am. Nobody knows why.

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4 designs · shown on Acrylic Keychain

184.0AA2.04.0mmcN123456784.0 MM OF TRAVELACTUATION AT 2.0. I BOTTOM OUTUVPRINTS.USstaff pick
Off By One· Keychain

Four Millimetres of Travel

$9 · from $8

947877LOCAL MAXIMUMTHE GRADIENT IS ZERO UP HEREUVPRINTS.USstaff pick
Off By One· Keychain

Local Maximum

$9 · from $8

FIVE NINES99.999% UPTIME. 0% SLEEPUVPRINTS.USstaff pick
Off By One· Keychain

Five Nines Closet

$9 · from $8

nt1lognnnlognn²2ⁿIT WORKED FOR SMALL NTHEN N GREW. SO DID 2^N.UVPRINTS.US
Off By One· Keychain

Worked for Small n

$9 · from $8