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Step 4Drilling the LED holes
Use a sharp tool such as a Bradawl to mark the plastic sheet at the centre of every LED hole.
Then drill each hole slowly with a 5mm metal drill bit to avoid melting the plastic.
(Test the drill hole size first on some scrap material to ensure the LEDs will be a firm fit in the holes).
You can also now drill two holes in the top corners of the sheet to attach string for hanging it in a window.
Using the PCB paper template or the PCB itself, mark and drill four 3.5 mm mounting holes for it in the space below the centre LED.
Now remove the paper template and any protective film from the plastic.
Wear an ESD antistatic wrist band when handling the leds to avoid damaging them!
Insert all LEDs with the flat side (short lead) towards the top of the sheet.
Carefully push each led in fully into it's hole, if any are a loose fit, apply a drop of general purpose clear adhesive to the side of the led before pushing it into it's hole.
Then drill each hole slowly with a 5mm metal drill bit to avoid melting the plastic.
(Test the drill hole size first on some scrap material to ensure the LEDs will be a firm fit in the holes).
You can also now drill two holes in the top corners of the sheet to attach string for hanging it in a window.
Using the PCB paper template or the PCB itself, mark and drill four 3.5 mm mounting holes for it in the space below the centre LED.
Now remove the paper template and any protective film from the plastic.
Wear an ESD antistatic wrist band when handling the leds to avoid damaging them!
Insert all LEDs with the flat side (short lead) towards the top of the sheet.
Carefully push each led in fully into it's hole, if any are a loose fit, apply a drop of general purpose clear adhesive to the side of the led before pushing it into it's hole.
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