lumia 640 stand/dock
thingiverse
This unit can be used as a stand or you can insert the USB connector and the accompanying power adapter that came with your phone into it for power supply purposes, particularly if you're using one from Europe - as far as I know, I'm not familiar with what a US power adapter looks like.
Download Model from thingiverse
With this file you will be able to print lumia 640 stand/dock 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 lumia 640 stand/dock.