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The original was posted on /r/3dprinting by /u/Wintlink- on 2025-08-20 12:32:45+00:00.
My goal was to create a helmet for when I ride my ebike that would look cool, would be protective, and make me more visible.
I printed this on my Ender 3V3 SE with PLA+.
The helmet has a real bike helmet in it, the whole pla structure is reinforced with fiberglass, so if It break it doesn’t create sharp pieces that could hurt me, the part are sticked together with gorilla glue and epoxy resin.
I have to 18650 batteries in the top powering the leds, and there is a power switch at the back, the leds are 12v so I used a booster, from my calculation, with my batteries (1200mah each), it could last for more that 3 hours per charge (usb C charge).
The leds are quite powerfull and I can use it to see in the dark, but at a correct distance they are not too bright for other people on the road.
The visor is really great, it’s a motorbike one, and it deflect the sun, but I can still see clearly when it gets dark.
I printed in white, sanded it (a lot), painted it in dark olive green, the I added details in black, and some by hand with silver paint to add a used look to it.
I want to add an HUD with something like apple carplay in it, so I could see the directions, the speed …
My bike is a normal mountain bike converted to ebike with a bafang bbs02b kit.
I will also add more protection inside that I will take from an old ski helmet.
The last picture is a comparison between my first attempt from few years ago and the new one.
I’m pretty pleased with the end result ! But if you have any idea of how I could improve it I would be very happy to hear about it !
Hope you like it :)
