How can i print this things well with 3d printer? :<

When i had printed this thing with printer, i had a result that the part of text is not filled, so product was very bad.

I think that the part of the text which is in the base part is the cause of problem.

how can i print this thing well with 3d printer?

i only do make two part (text / base) and i insert the text to base.