LED Magnifying Lamp Frame

Custom frame to make a magnifying lamp from a 100 mm magnifying lens and LEDs

Maker/DIY

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Description

This is a custom frame to turn an old desk lamp into a magnifying lamp, with just a lens and some LEDs. Note, that the mount IS NOT universal. However, the .dwg file has been included so that other mounting solutions can be designed easily.

Materials and methods

Printing:
- No supports, 15% infill
- Everything should already be oriented correctly, but make sure the LED holes are on the top.

Materials:
- 100mm diameter magnifying lens
- 12 3mm LEDs (and the resistors, wire, and power source to power everything safely. I used four parallel rows of three white LEDs with a 120 ohm resistor on each row, and a 12 volt wall wart.)
- 1 meter(ish) of 3mm diameter insulated cable with at least two conductors (old USB cables work great for this)
- 4 M3 screws, between 11 and 6mm long
- 4 3mm washers (optional)
- Articulating desk lamp arm with the correct mount. Basically, I had an old lamp laying around that I built this for. However, I've included the .dwg files so that other mounts can be designed.

Assembly:
- Wire up the LEDs, using the printed holes as spacers during the soldering.
- Attach the insulated cable to the positive and negative ends of the LED array, then feed it through the extra hole between the twelve o'clock and one o'clock holes.
- Push the LEDs through their respective holes so that they fit snugly.
- Slide the lens in from the bottom, until it's situated inside the bottom ring.
- Attach the lens_clamps to their respective slots with the M3 screws.
- Wire the insulated cable to your power supply, and you should be finished!

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Comments

59f69943093cc41c26cb0d717a574b0d?default=blank&size=40naschorr published this design ago