There are so many cool specs surrounding this 3D-printed flashlight, explaining why the designer is often sold out of the his product. InnovoDesign produces this tiny keychain torch to provide nighttime illumination, and it's longevity, makeup and its multi-use capacity make it an essential.
Locate your keyhole after dark with this colorful MFTL (Multi-Functional Tritium Lantern), and use it as a beer bottle opener and a handy little prier. You won't even think about tossing this item either, as it's durably 3D printed in stainless steel, and promises 20 years of continuous illumination. The radioactive isotope of hydrogen-3 is what gives this 3D-printed flashlight its neon glow, which appears to dim in daylight, but never actually switches off.