Demon Core True Size Glow in the Dark Lithophane Lamp
by Half Life Projects in Workshop > 3D Printing
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Demon Core True Size Glow in the Dark Lithophane Lamp
A glow-in-the-dark lithophane inspired by the Demon Core — the infamous chunk of plutonium involved in two criticality accidents during the Manhattan Project. This model is based on the true size of the core - 89 mm of subcritical mass, with details captured in a soft, eerie glow once charged with light.
Printed in glow filament, it makes a subtle tribute to one of nuclear history’s most haunting stories. Whether you’re into physics, atomic lore, or just appreciate a good cautionary tale, this little lamp glows with quiet, radioactive energy — minus the actual danger.
Supplies
Double-sided foam tape – Strong, cushioned adhesive tape that sticks on both sides.
3D printed parts – Custom-made components created with 3D printing. (for that you'll need a 3D printer and a GlowInTheDark filament - I used eSun blue glow)
- Demon Core sphere
- Bottom led housing
USB LED lamp – A compact, plug-and-play LED light powered by any USB port. I strongly recommend to order the mixed warn-cool one.
(Affiliate link — using it won’t change the price, but helps support more nerdy projects like this!)
Print the Model Using Glow-in-the-dark Filament for the Best Visual Effect.
Supports are optional — in my experience, they didn’t make much of a difference in the final result.
Apply the Double-sided Foam Tape to the Bottom of the LED.
This step is optional — the LED can hold without it, but the tape provides a more secure and snug fit.
Align the Cable Slots on the Bottom Plate With Those on the Demon Core Sphere.
Gently press the plate into place until it fits snugly — and you’re done!