Mechanical pencil is the new cross section book – Breaking News & Latest Updates 2026
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Mechanical Pencil is the new cross-section book.

If you grew up enjoying Stephen Biesty’s cross-sections like me, you’ll appreciate this brilliant project from Google engineer Bryan Macomber. The website breaks down mechanical objects, like the G2 retractable pen (my favorite), the PEZ dispenser, and the Zippo lighter. I can’t wait to see what comes next. (h/t to Kottke for spotting it.)

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