Smart USB Switch
thingiverse
Smart Mobile Linker Switches Your Favorite USB Gadget Between Phone and Computer Quick Setup Guide: Follow These Simple Steps to Get Started https://www.ccc-mannheim.de/wiki/SmartMobileLinker (Updated English Instructions)
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With this file you will be able to print Smart USB Switch with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Smart USB Switch.