This is an optical centre punch I made some time ago. It's used for centre punching accurately, I added the LED light later. One is powered by a USB charger with resistor to cut down on voltage the other is powered by a button battery. Green light seems to work best.
bigtrev8xl (Jun 22, 2020), carloski (Aug 2, 2022), Christophe Mineau (Jun 17, 2020), DIYSwede (Jun 17, 2020), dubbby (Jun 23, 2020), high-side (Jun 22, 2020), Jon (Jun 17, 2020), kboy0076 (Jul 14, 2024), mudnducs (Jul 15, 2020), mwmkravchenko (Jun 18, 2020), n9dug (Jun 17, 2020), saguaro (Jul 9, 2024), Toolmaker51 (Jun 17, 2020)
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