Ultimate survival utility knife V1_0 body only_remix

I printed this thing http://www.thingiverse.com/thing:83524 , first attempt the round support for the body ripped off bed, then printed with a 20 ring brim, it printed, all the built in "supports" end up breaking the print itself when you remove them. (I printed mine with 1.2mm (3 shells) and 1.0 (4 top/bottom) on .25 resolution and a .4mm extruder.

I then saw the remix http://www.thingiverse.com/thing:83524/#remixes where the support disk on the body was removed, but printing a tall object