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Bold Lentil makes stamp art from Roger Penrose’s mathematical figures, and shows you how:

The result is, I think, a nice irregular geometry that is visually distinct and eye catching. You can scan the Penrose stamped patterns and then have even more fun digitally editing the patterns into additional patterns and shapes. The challenge of a sudoku and the simplicity of stamping. Funky geometric forms liberated from dry mathematical journals and spray painted on the side of my bright red toolbox. If you’ve had more fun with a stamp pad and an eraser, it probably wasn’t legal, or least the mathematicians weren’t interested.

How to make Penrose tile stamps – [via] Link.

Becky Stern

Becky Stern

Becky Stern ( is a DIY guru and director of wearable electronics at Adafruit. She publishes a new project video every week and hosts a live show on YouTube. Formerly Becky was Senior Video Producer for MAKE. Becky lives in Brooklyn, NY and belongs to art groups Free Art & Technology (“release early, often, and with rap music”) and Madagascar Institute (“fear is never boring”).