hobby #43

Lithophane Lunar Phase Calendars

Capture the moon each clear night through a tracking telescope, process the phase and libration data, then generate and 3D-print a monthly lithophane strip where each panel shows that night's moon glowing when backlit. Mount the strips as a wall calendar that reveals the year's lunar rhythm in light.

The Moon Learned to Glow Through Two Millimetres of PLA

NASA publishes the moon's exact wobble hourly as JSON. I'm turning a year of it into glowing plastic.

code-a-day tied to this hobby

Every Lunation Ends Where It Began Modular Arithmetic

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