I have been printing and printing for the last 2 weeks everything was working great quality was great everything was turning out then 2 days ago im near the finish of my settlers of catan set and im printing the boarder out and the print is coming out terrible. ive tried different filament. i can manually extrude filament and it looks the same as it did before.

Here are a picture of what is happening
20160310_101429[1].jpg

please help