What does my cube tell you?

[Apotheoun]

I printed two test cubes, the one at the bottom went nuts and got caught up on something and failed to finish. The one on the top, came out alright except for the back two sides (back in relation to the front of the printer). Is there any reason for something like this? I've gone through all the calibration processes a couple times.

http://imgur.com/a/90rYk

I printed a solid cube and it came out almost perfect, within .01 of an inch. No weird bubbling or anything like that.

[bot]

Is it PLA? If so, it's from uneven cooling/it got too hot around the goopy parts.

[Apotheoun]

Sorry forgot to mention, it's ABS. These were printed with the extruder at 235C and the hotbed at 80C.