Ultimaker 3 can 3D-print using two materials at once
 

There aren't many 3D printers out there that have two extruders for putting out two materials at once, and even fewer that are ready to hit the market, but Ultimaker's latest device is up to the task. The Ultimaker 3, which starts at $3,495, has two...

https://www.engadget.com/2016/10/18/...rials-at-once/