<ul><li>Modder Maximilian Kern has created a 3D printable gamepad that plugs into smartphones, allowing users to play games in portrait mode.</li><li>The gamepad, called DIY Portrait-Mode Gamepad, can be 3D printed, including the housing and button mechanisms.</li><li>The device uses a USB-C connection and does not require Bluetooth or internal batteries.</li><li>It is compatible with multiple operating systems and can be used to play retro games and emulators on smartphones.</li></ul>

3D printable gamepad plugs directly into smartphones for portrait-mode playing

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