Pepper tee shown back and front: the back has a spring-mass-damper and an orange underdamped response curve; the front has a small underdamped response curve on the left chest.

I'm Not Overreacting I'm Underdamped T-Shirt, Vibrations Engineer Tee, Funny Mechanical Engineering Gift

Comfort Colors 1717 / Pepper / S
$29.99
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Pepper tee shown back and front: the back has a spring-mass-damper and an orange underdamped response curve; the front has a small underdamped response curve on the left chest.
  • Pepper tee shown back and front: the back has a spring-mass-damper and an orange underdamped response curve; the front has a small underdamped response curve on the left chest.
  • Back of a pepper Comfort Colors 1717 tee with the large I'm Not Overreacting I'm Underdamped print: a spring-mass-damper and an orange underdamped response curve.
  • Front of a pepper Comfort Colors 1717 tee with a small underdamped response curve on the left chest.
  • Close-up of the I'm Not Overreacting I'm Underdamped artwork showing the spring, dashpot and mass, and the three damping response curves.
  • Pepper tee shown back and front: the back has a spring-mass-damper and an orange underdamped response curve; the front has a small underdamped response curve on the left chest.
  • Back of a pepper Comfort Colors 1717 tee with the large I'm Not Overreacting I'm Underdamped print: a spring-mass-damper and an orange underdamped response curve.
  • Front of a pepper Comfort Colors 1717 tee with a small underdamped response curve on the left chest.
  • Close-up of the I'm Not Overreacting I'm Underdamped artwork showing the spring, dashpot and mass, and the three damping response curves.
I'm Not Overreacting I'm Underdamped T-Shirt, Vibrations Engineer Tee, Funny Mechanical Engineering Gift

I'm Not Overreacting I'm Underdamped T-Shirt, Vibrations Engineer Tee, Funny Mechanical Engineering Gift

$29.99
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Critically damped is the goal. Overdamped takes forever. Underdamped is you after one email: overshoot, oscillate, slowly settle. A spring-mass-damper system next to its three free responses, with the equation of motion and a note that you're working on your c.

What you get

  • Front: Left-chest underdamped and critically damped response curves, "I'm Underdamped · ζ < 1"
  • Back: Large spring-mass-damper drawing beside a response plot of overdamped, critically damped and orange underdamped curves, mẍ + cẋ + kx = 0, ζ = c/2√(km) and a drawing title block
  • Printed with premium DTF transfers and heat-pressed by hand in Charleston, SC

Choose your shirt

  • Comfort Colors 1717: heavyweight 6.1 oz garment-dyed cotton, relaxed fit (S–3XL)
  • Bella+Canvas 3001: lightweight 4.2 oz Airlume cotton, softer retail fit (S–3XL)

Colors may vary slightly by screen.

Care

Wash inside out in cold water, tumble dry low or hang dry, don't iron the print.

Production & disclosure

Designed by Elevated Designs LLC using digital design tools, with AI assistance. Printed and pressed to order in Charleston, SC.

Factor of Safety Co. · mechanical engineers — designed by Elevated Designs and printed to order in Charleston, SC.

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