how to make cut out piece?

 From:  nonius

MOI is working out fine. It's just little abstract in extreme situations. But I'm really getting it, most of the time :-)
For example to create the object to cut out the front hole where the iphone sits in the iphone dock:
I hav tried a thousand ways: cutting an box with straight extrudes from 3 directions, making a mesh with poly's, etc... nothing realy works out fine.

Here is my progress so far:

Any help on this one?



EDITED: 15 Jun 2010 by NONIUS