what happen with my printing become ssooo fragile

[fei8820]

here is the picture i think something wrong with my temperature setup or other...

it look like shit....

[richardphat]

Looks like temperature control failed.

[fei8820]

Too hot or too cold ?

[richardphat]

Too hot, I had that problem when I blew my thermistance.

[fei8820]

Too hot, I had that problem when I blew my thermistance.

i see maybe i print too many at once ... like 8 pcs of it took 6 hours to finish...
i using pla 185.c with gee tech i prusa i3 prob ...

[3dkarma]

You're under-extruding. Either the extruder stepper motor or driving is overheating and missing steps, or you're getting cold extrusion protection (which you would see in pronterface or whatever control software you're using).