If you are experiencing difficulty in getting the perfect results from your 3D printer, chances are that its extruder nozzle is blocked.
![[SOLVED] How To Open Clogged HeadExtruder Of 3D Printer_Image 0](http://wonderfulengineering.com/wp-content/uploads/2016/07/SOLVED-How-To-Open-Clogged-HeadExtruder-Of-3D-Printer_Image-0-610x458.jpg)
The usual sign of a blocked extruder is that no filament will be printed at all. However, a blocked 3D extruder nozzle is also indicated by non-uniform extrusion and extrusion of filament thinner than the normal.
This hack will help you fix the problem in less than $15. All you need is some acetone, a very thin wire, and a torch.
Here is the video that will walk you through the steps involved:
With this hack, you will have your 3D printer up and running in pristine condition in less than 20 minutes.