If you are printing with ABS probably you noticed that some pieces loosen it corners from the base.
I tried to increase the base temperature to 115C, but it didn’t help too much.
Fortunately I found a nice suggestion using a home glue dissolving ABS with Acetone.
Read the complete guide here:
http://www.instructables.com/id/100-Warp-Free-MakerBot-3D-Printing/?ALLSTEPS