LED Light Bars for 3D Printer

by BigCooter, published

LED Light Bars for 3D Printer by BigCooter Mar 8, 2016
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Revision 18-APR-17: removed down level LED housings and renamed files with shorter names to reduce confusion.

Revision 11-NOV-16: removed layer gap in part "led_bar_light_prusa_flex-mount_v2"

Addtion 31-MAR-16: added rod mounts that snap onto M8 threaded rods (the original ones snap onto an M10 rod .. make sure you print the ones you need!!!).

Revision 09-MAR-16: added multiple mounting location bosses on LED bar light housing ... choose which one works best for you!

LED Bar Light snaps onto M8 or M10 threaded rods (pick the rod mount STL file for your size metric threaded rods)

Flexible adjustable positioning (print multiple flex connector pieces for your desired flex neck length)

Print several of the wire cable management clips, to neatly organize your wiring.

Note: the LED light bar housings have 3 optional attachment locations, pick the one that works best for your printer.

The LED light bars used, are VERY bright, use 12V provided by most 3D Printer power supplies, and are VERY inexpensive, less than $6 per pair with shipping!.

Links to purchase a pair of 200mm long LED light bars and additional instructions at my website:

Notice in one of my photos .. using a sheet of paper, now you can use your 3D Printer as a photo studio! ... to better show off the parts you print!

Good lighting makes much better timelapse videos .. here is a OctoPi Raspberry Pi example video: https://youtu.be/1Q_HYHBMtgM

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several versions here. if I want to print for m10 rods.both left and right. sides
do I use


or do I use


maybe also list of which ones and how many would be helpful

Sorry for late reply .. I just removed the obsolete files, and renamed the current files so it is easier to see what each file is. You will not need the M8 rod mounts, if you have M10 threaded rods .. but you will need all the other files.

I just noticed that there is a gap in the print, anyone else notice this?


good catch .. there is a gap there! my error ... my parts still printed fine, never noticed it! Anyway, thanks .. I just corrected that and uploaded a revised part called "led_bar_light_prusa_flex-mount_v2".

PLA or ABS? I printed in PLA and it is not rigid at all

what do you mean my "not rigid" .. PLA is pretty stiff material, much more than ABS. Personally, my parts were printed in PETG.

The parts were loose, could not stand on their own. Used ABS glue to tighten them up but after a while that wore out. Might try PETG.

Comments deleted.

Could you possibly do an 8mm version? Looks great!

SURE! .. done, just uploaded revised rod mounts for M8 threaded rods (should work on smooth 8mm shafts also) .. but you have to print and test it yourself. After you install these lights, you will wonder why everyone doesn't have lights like this on their printer .. visibility is greatly increased with and without a camera.

Thank you!! I don't understand people who don't illuminate the build area either , but they are missing out.