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Step 4Measure Twice, Drill Once
There are a couple ways you can go about putting the holes into the bar. You could just use the drill bit and inaccurately drill through the bar. However this takes far more work and is more tedious than it should be. This is where the awl comes in.
Remember the marks we made on the inside of the bar? Well, take your awl (or another sharp pointy tool) and put it on the line you drew for a LED. Try to line it up with the middle of the bar and smash the awl with a hammer. Initially you should make a dent and punch a very tiny hole, later you will punch a small hole back through.
Flip the bar over, and put the awl on the new dent pointing towards you, and smash it downward to leave a bigger dent (this is thanks to metal fatigue). Hit it until there is small hole (less than the width of an LED), and use your 13/64" drill bit to clean it up.
Repeat 18 times for 18 holes, and then we will prepare the wire.
Remember the marks we made on the inside of the bar? Well, take your awl (or another sharp pointy tool) and put it on the line you drew for a LED. Try to line it up with the middle of the bar and smash the awl with a hammer. Initially you should make a dent and punch a very tiny hole, later you will punch a small hole back through.
Flip the bar over, and put the awl on the new dent pointing towards you, and smash it downward to leave a bigger dent (this is thanks to metal fatigue). Hit it until there is small hole (less than the width of an LED), and use your 13/64" drill bit to clean it up.
Repeat 18 times for 18 holes, and then we will prepare the wire.
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