Downward Slope

Derek Blasberg
Customize

Send a funny mathematical birthday card to any friend or loved one! This line graph design from Derek Blasberg features a "The Good News: This is The Youngest You'll Ever Be Again" message and a fully customizable birthday note at the bottom of the card. Perfect for the math whiz in your life!

palette icon

Change your Card’s text, style, envelope, stamp, backdrop, and more. Add additional text boxes where you want them.

edit

Personalize with your event’s details, make or import a guest list, and send with a click.

blocks

Use customizable Blocks for schedule, registry, accommodations, travel details, and more.

edit

Send your way, via email, text message, or a shareable link you can paste and post anywhere.

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Track opens and RSVPs, communicate with guests instantly, and take adult vs child headcounts.