Fail of the Week: The Metal Hot End Upgrade - My son, Patrick, has observed on more than one occasion that I do not like 3D prin... - https://hackaday.com/2021/07/29/fail-of-the-week-the-metal-hot-end-upgrade/ #hackadaycolumns #3dprinterhacks #allmetalhotend #failoftheweek #3dprinting #hotend #e3d