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Step 7Poking a hole
Another easy one!
Well, not entirely. If you want to invest in very scientific and specific instruments, you can precision-drill your pinhole. (See here for precision measurement)
But this is DIY, after all, so cross your fingers and poke a hole in the aluminum square. Don't hurt your finger or anything with that needle.
Well, not entirely. If you want to invest in very scientific and specific instruments, you can precision-drill your pinhole. (See here for precision measurement)
But this is DIY, after all, so cross your fingers and poke a hole in the aluminum square. Don't hurt your finger or anything with that needle.
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