A maker known as Hyperspace Pirate built a functional 3D-printed diving helmet using ABS plastic, reinforced with fiberglass and epoxy resin. The design uses a 1/4" SAE air fitting connected to an oil-less compressor mounted on a flotation device with batteries and an inverter. Key safety notes include avoiding gas-powered compressors (CO/CO2 risk), polyester resin (dissolves ABS), and oily compressors. The helmet was tested in a backyard pool and is theoretically rated to 10 meters depth with a compressor supplying at least 41 L/minute. The 3D model is available on Thingiverse.
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