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Killflash for EOTech 512/552 3D Printer File Image 1
Killflash for EOTech 512/552 3D Printer File Thumbnail 1

Killflash for EOTech 512/552

Zapador avatarZapador

March 28, 2026

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Description

Someone asked if it was possible to design and print a killflash for an EOTech so I gave it a shot. There's probably other existing models out there already but it was a fun little project.

It works better than I expected and would probably work even better if printed with a very small nozzle, I used 0.6mm because that was what was in my printer at the time and it is actually usable. 

Compatibility

Will fit EOTech 512, 518, 552, 558.

Will not fit EOTech XPS2, XPS3.

May fit EOTech 551, one user reported it was a snug fit, another user reported it didn't fit.

Print settings

The orientation should be pretty obvious, print it with the mesh facing down. You may want to use a small nozzle and/or enable “Detect Thin Walls” in your slicer for the mesh to print.

Make sure your bed level is correct, try to avoid too much “elephants feet” so the mesh becomes as thin as possible.

If you have another model than the ones mentioned for compatibility and print one of these, it would be much appreciated if you would let me know if it fits or not. Thank you!

License:

Creative Commons — Attribution — Noncommercial — Share Alike

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