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Print the lamp body and the AddOn piece if you like. Glue it into place with some CA glue or whatever fits your purpose. Then glue your choice of LED stripe in, you will need about 30cm for each lamp. Connect to a 12V (or whatever fits) supply and you will have a nice light. Or add some kind of controller if you want.
Note:
LED stripes with lots of LEDs/m look nicer. Use at least 60 LEDs/m stripes, better are 120 LEDs/m stripes.
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