Not all those who are preparing for the apocalypse are conspiracy theory wing-nuts or unhinged mountain men determined to filter their own urine for water. Some are preparing for disaster on a smaller scale, from the period between services after a natural disaster to the possibilities of recession if Trump were elected president. For a growing number of doomsday preppers, the 3D printer is seen as an invaluable tool, if not for use during the disaster, at least for getting ready to face it. Read more at 3DPrint.com: https://3dprint.com/138972/3d-printing-for-the-end-of-days/