download from stp to iges without blank, or untrimmed surfaces

When i download to iges format,
Then i bring it in another program, it seems like all the blanked, and , or
untriimed surfaces appear,
Or it is not triming surfaces that are downloaded
Is there a way to correct this?

2 Answers

hello, can you send a sample picture and part?

Here is a picture of what it looks like in grabcad, then downloaded as iges. 2nd picture is what i get when i bring into my working software,