This is a case for my MultiUSB 4/8 port USB charger boards, more info at http://elektronikforumet.com/forum/viewtopic.php?f=3&t=65281 (in swedish)You can buy my kits here: http://meduza.tictail.com/product/best%C3%A4llning-multiusb-v3Get the original source files at: http://a360.co/1Hu6bET