![By Jonathan Juursema (Own work) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons](http://karenwickert.com/wp/wp-content/uploads/2015/05/Felix_3D_Printer_-_Printing_Head_Cropped1-300x254.jpg)
By Jonathan Juursema (Own work) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons
I’m excited to see this technology continue to progress past the rough-surface-finish prototyping parts of a few years ago.
https://www.quirky.com/blog/post/2015/04/field-trip-inside-3d-printing/