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Make: 3D Printing Projects by Caleb Cotter, Steven Bolin, Nick Ernst, Brian Roe, John Baichtal, John Edgar Park, Rick Winscot, James Floyd Kelly, Brook Drumm

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Chapter 5. DDriver Rechargeable Screwdriver

by Rick Winscot

I got this great light-duty battery-operated screwdriver for my birthday last year. Sadly, after only a few days its little gears ground to a halt.

“Everyone finds a dud here and there,” I thought. So I bought another—which lasted all of 10 minutes before it too stopped working. Rather than exercise my “right to replacement” via warranty, I decided to see what made these little tools tick. After all, warranties were meant to be voided.

The ugly truth was that both of my screwdrivers were beyond repair—and given the substandard quality, purchasing another didn’t make sense. So I decided to disassemble the broken ...

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