I just completed building my first ever 3D printer a RepRapPro Mendel. I am attaching the images of my first print.
The printer prints fine at first but towards the end the print starts losing consistency. I am using PLA that came with the kit with the hot end at 200C and the bed at 56C. I turned off the bed heater after the first 5-10 layers.
What I want to know is that if the error I am seeing in the print is because of:
1. Me turning off the heater bed
2. The printed object cooling, i.e. I need to put a fan on my machine
3. Error in slicing
4. extruder not outputting enough plastic
or any other error.