Light Bar for 3d printers
Description
This is a light bar that clips onto the 2020 rail securely but not tightly. It uses four little USB lights to more evenly illuminate the print bed from above. I bought these from Amazon: [Mini keychain 0.2watt LEDs](https://www.amazon.com/gp/product/B077TBSRSB/ref=ppx_yo_dt_b_search_asin_image?ie=UTF8&psc=1). I Just soldered the Vcc and ground all together in parallel and have an inline switch to turn them on and off.
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