Formlabs just released a guide on how to print on multiple (up to 4) Form 1+ printers wirelessly using the IOGear Wireless 4-Port USB Sharing Station
You can call it a type of in-house product hacking. Good work Formlabs! Other companies wouldn't share such information probably...
http://formlabs.com/company/blog/2014/08/05/wi-fi-and-wireless-printing/