Cheap, DIY 3D printers can pose a significant fire and safety hazard if not used with extreme caution. Bill shows off the safety upgrades he’s made to this machine so that he can print his helmet with confidence.

—–Upgraded Components——————

—–Upgrade 3D Files—————————-

—–Tools———————————————-

Soldering Iron (Amazon)

Power Drill (Amazon)

Rotary Tool (Amazon)

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