case for ZTE Open C (TEST 2)

This is the second prototype that i made IT IS NOT CONFORM, The rounded bottom is too rounded then it fail durnig the printing. You can modify it to be conform.
The impression was made on an Ultimaker 2 with the medium precision.
If you have questions or advices post a comment.
UPDATE : here is the final result : http://www.thingiverse.com/thing:480157
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C'est le second prototype que j'ai fait IL EST PAS CONFORME, le