The Quality Control Team (T.C.Q.) is a util instruments born for all 3D modeller, which frequent and Nucleo Ideativo Produttivo (N.I.P.) section. The T.C.Q. effect single test on all file, as this can be publish without error. Now, new 3D modeller too can publish on their works. The file are test from "a" to "z" and also little error are discover. Every tester have a different pc system, for to differentiate test result; T.C.Q., real professional team, don't value work for aesthetic aspect, but for correct function. if the file is no good function come send to author for adjustment. After a new test value the adjustment and the file will be publish.