This one was made with ABS. See the problem with the bottom left side. Same problem on the other end. Reprinted with PLA. Same issue
I'm still pretty new. Not sure what to put in all of these fields. For infill, I see Fill (Bottom / Top thickness .6 mm and for Fill Density, I see 20%
This is actually a Monoprice Maker Ultimate 3D printer which is a rebadged Wanhao Duplicator 6.