Mechanical Pencil: An illustrated celebration of the engineering around us (opens in new tab)

--- title: Mechanical Pencil description: Illustrating the Engineering Around Us published: "May 11, 2026, 2:31 PM UTC" --- MECHANICAL PENCIL BREAKDOWNS SIGN UP ABOUT An illustrated celebration of the engineering around us **Welcome!** Are you curious why a clicky Pen... clicks? How a Zippo Lighter flips open? Or what lives inside a Pez Dispenser? I've illustrated tear-downs and break-downs of everyday products that you may have taken for granted. Let's take a look inside and understan...